WFHS-Section G-Contract Drawings 7 of 7.pdf

SECTION G

CONTRACT DRAWINGS

WILDLANDFIREFIGHTING

HELITANKERSTATION PROJECT

FOR

SAN BERNARDINO COUNTY,

SAN BERNARDINO, CALIFORNIA

PROJECT NO.: 1378.0185

SAN BERNARDINO COUNTY

DEPARTMENT OF PUBLIC WORKS

DISTRICT 5

PROJECT NO. 1378.0185

LOCATION MAP

WILDLAND FIREFIGHTING HELITANKER PROJECT

Glen Helen Rd & Forest Lane, San Bernardino, CA 92407 APN No. 03-491-9122

AREA

A RAGÓN G EOTECHNICAL , INC .

Consultants in the Earth & Material Sciences

16801 Van Buren Blvd., Bldg. B Riverside, CA 92504 Tel: 951.776.0345 ● Fax: 951.776.0395 www.aragongeo.com

July 20, 2026 AGI Project No. 5291-TR

San Bernardino County Department of Public Works Special Districts 222 W. Hospitality Lane, 2nd Floor San Bernardino, CA 92415

Attention: Mr. Mauricio Rodriguez

Subject: Report of limited Water Line Investigation Wildland Firefighting Helitanker Station San Bernardino County, California.

Mr. Rodriguez:

Aragón Geotechnical, Inc. (AGI) is pleased to submit the attached utility investigation report prepared in support of the proposed Wildland Firefighting Helitanker Station project at Glen Helen Regional Park Well 5. The requested scope of work consisted of identifying the existing water service line, including its approximate alignment, depth, size, direction of travel, and laterals.

Ground penetrating radar (GPR) utility locating and potholing services were performed by

3 Thirteen Subsurface, on July 9 and 10, 2026. AGI personnel were present on July 10, 2026, to observe the potholing operations during the field investigation.

The attached report prepared by 3 Thirteen Subsurface summarizes the GPR survey, potholing activities, and the resulting utility information. AGI is transmitting the report as part of our project deliverables. The technical findings regarding utility locations, depths, and related observations are based on the work performed by 3 Thirteen Subsurface.

San Bernardino County Public Works July 20, 2026 Project No. 5291-TR Page No. 2

ARAGÓN GEOTECHNICAL, INC.

CLOSURE

This report has been prepared for San Bernardino County Public Works, Special Districts for the subject site described herein. This report may not be warranted for the use or purpose of other projects and parties. All professional services provided in connection with the testing herein reported have complied with generally accepted practice in the field of geotechnical and pavement engineering. This warranty is in lieu of all other warranties, either express or implied.

Thank you very much for the opportunity to be of service on this project. Please call us at (951) 776-0345 if we may be of further assistance.

Respectfully submitted, ARAGÓN GEOTECHNICAL, INC.

James Burling, C. Fernando Aragon, P.E., G.E.

Staff Engineer, E.I.T. 180061 Geotechnical Engineer, RGE 2994

Distribution: via email: Mauricio.Rodriguez@dpw.sbcounty.gov

Attachments: 3 Thirteen Subsurface Report

Mauricio.Rodriguez@dpw.sbcounty.gov Fernando Aragon

RCE 2028

Office: 888.988.1011

Pothole Investigation Report

26-10449

Date:

07/10/2026

Technician:

Cole Kurimay

Project No.:

26-10449

Project Name:

Wildland Firefighting Helitanker Station Project

Project Address:

Glen Helen Rd & Forest Ln

San Bernardino, CA, 92407

Client:

Aragon Geotechnical, Inc.

Comments: Depths are measured from exisitng ground surface at time of work, to the top of the utility. Potholes were completed at client-specified locations. Utility size and material are visually estimated and may vary.

PH No. Utility Size (in)

Material Top Depth (ft)

Direction Location Surface

P1 Water 10 Concrete Thrust Block

2.32 NE/SW North East Area of Jobsite at First

“45” From Pump Station

Soil

P2 Water 10 PVC 2.74 N/S North East Area of Jobsite South of First “45” From Pump Station

Soil

P3 Water 10 Concrete Thrust Block

3.04 N/S West Side of Jobsite at Second “45”

in Water Pipes Path Direction

Soil

P4 Water 10 PVC 3.18 NW/SE West Side of Jobsite South East of Second “45” in Water Pipes Path

Direction

Soil

P5 Water 10 PVC 3.54 NW/SE Approximate Middle Point of NW/ SE Water Pipe Run, Parallel to Glen

Helen Rd

Soil

P6 Water 10 PVC 3.24 NW/SE Furthest Point South of Property Where Water Pipe is Existing PL

Soil

Project No.: 26-10449 www.313subsurface.com 2

Project Name: Wildland Firefighting Helitanker Station Project

Project Address: Glen Helen Rd & Forest Ln, San Bernardino

Top:

Bottom:

Diameter:

Utility:

Material:

(feet)

(feet)

(in)

Surface Type:

www.313subsurface.com

Soil

3.32

Water

Concrete Thrust Block

Surface Thickness: (feet)N/A

Direction: NE/SW

Cross Section (not to scale) Measured Distance From Exisiting Surface

PH No.: P1

Approximate Location Coordinates:

(34.2199696, -117.4151343)

North East Area of Jobsite at First “45” From Pump Station

Location:

Project No.: 26-10449

2.32

Notes:

Exposed top of thrust block at “45” based on GPR markings. See P2

Report for pipe verification.

Date: 07/10/2026

Technician: Cole Kurimay Project No.: 26-10449

Project Name: Wildland Firefighting Helitanker Station Project

Client: Aragon Geotechnical, Inc.

Comments:

Photo 1 Photo 2

Photo 3 Photo 4 www.313subsurface.com 4Project No.: 26-10449

PH No. 1 Utility: Water

Diameter(in): 10

Material: Concrete Thrust Block

Top Depth(ft): 2.32 Direction: NE/SW

Diameter:

Utility:

Material:

(feet)

(feet)

(in)

Surface Type:

www.313subsurface.com

Soil

3.57

Water

PVC

Surface Thickness: (feet)N/A

Direction: N/S

Cross Section (not to scale) Measured Distance From Exisiting Surface

PH No.: P2

Approximate Location Coordinates:

(34.2199696, -117.4151343)

North East Area of Jobsite South of First “45” From Pump Station

Location:

Project No.: 26-10449

2.74

Notes:

Date: 07/10/2026

Technician: Cole Kurimay Project No.: 26-10449

Project Name: Wildland Firefighting Helitanker Station Project

Photo 3 Photo 4 www.313subsurface.com 6Project No.: 26-10449

PH No. 2 Utility: Water

Diameter(in): 10

Material: PVC

Top Depth(ft): 2.74 Direction: N/S

Diameter:

Utility:

Material:

(feet)

(feet)

(in)

Surface Type:

www.313subsurface.com

Soil

3.87

Water

Concrete Thrust Block

Surface Thickness: (feet)N/A

Direction: N/S

Cross Section (not to scale) Measured Distance From Exisiting Surface

PH No.: P3

Approximate Location Coordinates:

(34.2193578, -117.4150759)

West Side of Jobsite at Second “45” in Water Pipes Path Direction

Location:

Project No.: 26-10449

3.04

Notes:

Exposed top of thrust block at “45” based on GPR markings. See P2

Report for pipe verification.

Date: 07/10/2026

Technician: Cole Kurimay Project No.: 26-10449

Project Name: Wildland Firefighting Helitanker Station Project

Photo 3 Photo 4 www.313subsurface.com 8Project No.: 26-10449

PH No. 3 Utility: Water

Diameter(in): 10

Material: Concrete Thrust Block

Top Depth(ft): 3.04 Direction: N/S

Diameter:

Utility:

Material:

(feet)

(feet)

(in)

Surface Type:

www.313subsurface.com

Soil

4.01

Water

PVC

Surface Thickness: (feet)N/A

Direction: NW/SE

Cross Section (not to scale) Measured Distance From Exisiting Surface

PH No.: P4

Approximate Location Coordinates:

(34.2193578, -117.4150759)

West Side of Jobsite South East of Second “45” in Water Pipes Path Direction

Location:

Project No.: 26-10449

3.18

Notes:

Date: 07/10/2026

Technician: Cole Kurimay Project No.: 26-10449

Project Name: Wildland Firefighting Helitanker Station Project

Photo 3 Photo 4 www.313subsurface.com 10Project No.: 26-10449

PH No. 4 Utility: Water

Diameter(in): 10

Material: PVC

Top Depth(ft): 3.18 Direction: NW/SE

Diameter:

Utility:

Material:

(feet)

(feet)

(in)

Surface Type:

www.313subsurface.com

Soil

4.37

Water

PVC

Surface Thickness: (feet)N/A

Direction: NW/SE

Cross Section (not to scale) Measured Distance From Exisiting Surface

PH No.: P5

Approximate Location Coordinates:

(34.2178324, -117.4138445)

Approximate Middle Point of NW/SE Water Pipe Run, Parallel to Glen Helen Rd

Location:

Project No.: 26-10449

3.54

Notes:

Date: 07/10/2026

Technician: Cole Kurimay Project No.: 26-10449

Project Name: Wildland Firefighting Helitanker Station Project

Photo 3 Photo 4 www.313subsurface.com 12Project No.: 26-10449

PH No. 5 Utility: Water

Diameter(in): 10

Material: PVC

Top Depth(ft): 3.54

Diameter:

Utility:

Material:

(feet)

(feet)

(in)

Surface Type:

www.313subsurface.com

Soil

4.07

Water

PVC

Surface Thickness: (feet)N/A

Direction: NW/SE

Cross Section (not to scale) Measured Distance From Exisiting Surface

PH No.: P6

Approximate Location Coordinates:

(34.2162554, -117.4126294)

Furthest Point South of Property Where Water Pipe is Existing PL

Location:

Project No.: 26-10449

3.24

Notes:

Date: 07/10/2026

Technician: Cole Kurimay Project No.: 26-10449

Project Name: Wildland Firefighting Helitanker Station Project

Photo 3 Photo 4 www.313subsurface.com 14Project No.: 26-10449

PH No. 6 Utility: Water

Diameter(in): 10

Material: PVC

Top Depth(ft): 3.24

1 3 4 5 62

A

B

D

E

F

1 3 4 5 62

C

A

B

D

E

F

C

PARTIAL UNDERGROUND UTILITY MAP FOR:

WILDLAND FIREFIGHTING

HELITANKER STATION

GLEN HELEN RD. & FOREST LN.

SAN BERNARDINO, CA 92407

ARAGON GEOTECHNICAL, INC.

16801 VAN BUREN BLVD., BUILDING B

RIVERSIDE, CA 92504

3 thirteen, Inc.

4160 TEMESCAL CANYON RD

SUITE 401

CORONA, CA 92883

T / F - 1.888.899.1011 info@313subsurface.com www.313subsurface.com

The services performed by 3 thirteen, Inc. does not relieve the Client and/or property owner of their responsibility to comply with California Government Code §64216-4216.9. The Client and/or property owner acknowledges and agrees that the services provided by 3 thirteen, Inc. are not a substitute for, and do not replace, compliance with the requirements of California Government Code §64216-4216.9.

SHEET OF

WORK PERFORMED ON:

PROJECT NUMBER:

MAP PREPARATION

DATE:

QC CHECKED BY/DATE:

TECHNICIAN:

26-10449

JULY, 2026

C. KURIMAY 6

SCALE: 1" = 30'

JN 07/19/2026

UPDATES

NO DATE BY NOTES

07/17/2026

PROJECT NAME:LEGAL DISCLAIMER: CLIENT INFORMATION:

VICINITY MAP

NOT TO SCALE

NOTE:

BACKGROUND IMAGE IS FROM GOOGLE

EARTH AND IS FOR REFERENCE ONLY.

NO BACKGROUND HAS BEEN PROVIDED BY

CLIENT. ONCE BACKGROUND IS PROVIDED

U T I L I T Y M A P W I L L B E U P D A T E D

DRAWING SHEETS

SHEET NO. SHEET TITLE

KEY MAP

NOT TO SCALE

UNDERGROUND UTILITY MAP

WITHIN THE CITY OF SAN BERNARDINO, COUNTY OF SAN BERNARDINO, CALIFORNIA

Reference: American Society of Civil Engineers (ASCE) Standard 38-02 The utility information depicted on this map is classified in accordance with the ASCE 38-02 Standard Guideline for the Collection and Depiction of Existing Subsurface Utility Data. The quality levels defined below describe the method used to obtain the utility information and the relative reliability of the depicted data.

UTILITY QUALITY LEVEL A (QL-A)

Utility Quality Level A represents the highest Level of confidence for utility information. Information is obtained through the physical exposure of a utility at a specific location using non-destructive excavation methods such as vacuum excavation. This process confirms the precise horizontal and vertical position of the utility at the point of exposure.

Measurements are typically taken from the exposed facility and referenced to visible surface features. QL-A data represents conditions observed only at the exposed point and may not represent conditions between exposure locations.

UTILITY QUALITY LEVEL B (QL-B)

Utility Quality Level B information is obtained through the use of surface geophysical locating methods, such as electromagnetic locating equipment and ground penetrating radar, to determine the approximate horizontal position of subsurface utilities. The resulting markings represent the interpreted path of utilities based on instrument response and field conditions. These utilities are then transferred to the map based on surface markings and field observations. QL-B data represents approximate horizontal alignment only and should not be interpreted as precise excavation coordinates.

UTILITY QUALITY LEVEL C (QL-C)

Utility Quality Level C information is derived from visible above-ground utility features, such as valves, pedestals, meters, risers, or other surface indicators. These features are correlated through professional judgment and field interpretation to infer possible subsurface utility QL-C information is approximate and interpretive in nature.

UTILITY QUALITY LEVEL D (QL-D)

Utility Quality Level D information is obtained from existing records, drawings, maps, or verbal recollections. These sources may include utility owner records, as-built drawings, or other historical documentation. Accuracy and completeness may vary. QL-D information should be considered for reference purposes only.

IMPORTANT NOTICE

Conditions may vary, and additional utilities or variations in location may exist. This map does not guarantee the presence or absence of utilities and should not replace proper notification of utility owners or compliance with local excavation notification requirements.

SERVICE NOTES

Service Disclaimer and Limitations

3 THIRTEEN SUBSURFACE SPECIALIZES EXCLUSIVELY IN UTILITY MAPPING AND LOCATING SERVICES. WE DO NOT PROVIDE ENGINEERING, DESIGN, OR CONSTRUCTION SERVICES. OUR SERVICES FOCUS ON THE ACCURATE IDENTIFICATION AND

DOCUMENTATION OF SUBSURFACE UTILITIES USING ADVANCED TECHNIQUES, SUCH AS GROUND PENETRATING RADAR (GPR), ELECTROMAGNETIC LOCATORS, AND POTHOLING. ANY ENGINEERING ASSESSMENTS, DESIGNS, OR MODIFICATIONS ARE

OUTSIDE THE SCOPE OF OUR SERVICES AND SHOULD BE REFERRED TO A LICENSED ENGINEERING

PROFESSIONAL.

Utility Mapping and Locating Limitations

THE SERVICES PROVIDED BY 3 THIRTEEN SUBSURFACE ARE STRICTLY LIMITED TO UTILITY LOCATING AND MAPPING. 3 THIRTEEN SUBSURFACE DOES NOT OFFER ENGINEERING CONSULTATION, UTILITY SYSTEM DESIGN, OR CONSTRUCTION SERVICES. CLIENTS ARE ADVISED TO SEEK A LICENSED ENGINEER FOR ANY DESIGN OR ENGINEERING-RELATED INQUIRIES.

3 THIRTEEN SUBSURFACE SHALL NOT BE HELD RESPONSIBLE FOR ENGINEERING DECISIONS BASED ON THE INFORMATION

PROVIDED BY OUR UTILITY MAPPING SERVICES.

Regulatory Compliance

IN PROVIDING UTILITY MAPPING SERVICES, 3 THIRTEEN SUBSURFACE COMPLIES WITH CALIFORNIA GOVERNMENT CODE §§4216-4216.9, WHICH GOVERNS THE SAFE LOCATION OF UNDERGROUND UTILITIES. HOWEVER, IT IS EXPRESSLY UNDERSTOOD THAT 3 THIRTEEN SUBSURFACE IS NOT AN ENGINEERING FIRM, AND OUR SERVICES DO NOT REPLACE THE CLIENT'S RESPONSIBILITY TO ENSURE COMPLIANCE WITH ALL APPLICABLE CONSTRUCTION, DESIGN, OR PUBLIC SAFETY REGULATIONS. THE CLIENT REMAINS RESPONSIBLE FOR ENSURING THAT ALL REGULATORY REQUIREMENTS ARE MET.

Accuracy of Utility Mapping

UTILITY MAPS PROVIDED BY 3 THIRTEEN SUBSURFACE ARE BASED ON AVAILABLE DATA, SURFACE-LEVEL INDICATORS, AND UTILITY MARKINGS. WHILE WE USE THE BEST AVAILABLE TECHNOLOGIES AND METHODS TO LOCATE AND MAP UTILITIES, 3 THIRTEEN SUBSURFACE MAKES NO WARRANTY REGARDING THE ACCURACY OF UTILITY DEPTHS, THE PRECISE LOCATIONS OF UTILITIES, OR THE ABSENCE OF UNMARKED UTILITIES. CLIENTS ARE ENCOURAGED TO CONDUCT THEIR OWN DUE DILIGENCE AND CONSULT LICENSED PROFESSIONALS FOR FURTHER VERIFICATION OF UTILITY LOCATIONS OR DEPTHS, PARTICULARLY

IN CRITICAL CONSTRUCTION OR EXCAVATION AREAS.

UTILITY DRAFTING LINE TYPE

SHEET 2

SHEET 3 SHEET 4

SHEET 5 SHEET 6

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POTHOLE 6 LOCATION AT 3.24 FT. - 10" PVC

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POTHOLE 5 LOCATION AT 3.54 FT. - 10" PVC

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POTHOLE 4 LOCATION AT 3.18 FT. - 10" PVC

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POTHOLE 3 LOCATION AT 3.04 FT. - 10" PVC

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POTHOLE 2 LOCATION AT 2.74 FT. - 10" PVC

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POTHOLE 1 LOCATION AT 2.32 FT. - 10" PVC / THRUST BLCK

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LINE[W] AT RISER

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LINE[E] AT BUILDING

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LINE[W] AT BUILDING

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COVER SHEET

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#2 TO #6

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UTILITY MAP / POTHOLE LOCATIONS

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LEGEND/SYMBOL

AutoCAD SHX Text UTILITY DEPICTION UNDERGROUND UTILITIES DEPICTED ON THIS MAP ARE REFERENCE TO LOCAL CONTROL AND/OR THE SMARTNET RTK NETWORK, UNLESS OTHERWISE NOTED.

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BACKFLOW PREVENTER

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CLEAN OUT

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DEPTH FROM SURFACE

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HYDRANT

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LIGHT POLE

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MANHOLE

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POWER POLE

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PULL BOX

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VALVE

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VAULT

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TRAFFIC SIGNAL POLE

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INVERT 1'-6"

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BOTTOM DEPTH FROM TOP OF RIM OR GRATE

AutoCAD SHX Text UTILITY NOTES 1. Underground facilities shall be located and marked prior to Underground facilities shall be located and marked prior to any excavation activities. Contact Underground Service Alert (USA) at 811 or (888)899-1011 a minimum of two working days before excavation. 2. Contractor shall pothole/hand expose all utilities at conflict Contractor shall pothole/hand expose all utilities at conflict points prior to excavation. Exposure shall extend a minimum of each side of the facility to verify horizontal and vertical location, regardless of estimated depth. 3. Depths shown are approximate and provided for reference only. Depths shown are approximate and provided for reference only. Es mated depths are measured from the ground surface to the centerline of the facility, the invert of gravity lines, or the tracer wire where applicable. Actual depths may vary along the alignment of the facility. 4. Utility brackets indicate multiple facilities traveling within a Utility brackets indicate multiple facilities traveling within a common corridor, such as within a duct bank, trench, or bundled configuration. 5. This investigation does not verify facility size, material type, or This investigation does not verify facility size, material type, or the number of conduits within multi-conduit runs unless specifically noted. Irrigation systems are excluded from this survey unless otherwise stated. 6. The background site plan used to prepare this map was The background site plan used to prepare this map was provided by the client and prepared by others. 7. No representation is made regarding the accuracy or No representation is made regarding the accuracy or completeness of the background information. Field conditions may differ from those shown on this plan. If discrepancies are encountered, the locating provider shall be notified within 24 hours of discovery for review. 8. This utility depiction represents a professional interpretation of This utility depiction represents a professional interpretation of available evidence collected during the investigation. The absence of a depicted utility does not guarantee that additional underground facilities do not exist.

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UTILITY QUALITY LEVEL NOTES

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ELECTRICAL

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POSSIBLE LINE LOCATION, BASED ON GPR DETECTION

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COMMUNICATION

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WATER

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SANITARY SEWER

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STORM DRAIN

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GAS

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STREET LIGHT

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AIR

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TRAFFIC SIGNAL

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FIRE WATER

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CHILLED WATER

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DOMESTIC WATER

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UTILITY QUALITY LEVEL B:

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ELECTRICAL

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COMMUNICATION

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WATER

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SANITARY SEWER

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STORM DRAIN

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GAS

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STREET LIGHT

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AIR

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TRAFFIC SIGNAL

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CHILLED WATER

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DOMESTIC WATER

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HOT WATER

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UTILITY QUALITY LEVEL C:

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SS

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SD

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SL

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AIR

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TS

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CHW

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DW

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HW

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ELECTRICAL

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COMMUNICATION

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WATER

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SANITARY SEWER

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STORM DRAIN

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GAS

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STREET LIGHT

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AIR

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TRAFFIC SIGNAL

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FIRE WATER

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CHILLED WATER

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DOMESTIC WATER

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UTILITY QUALITY LEVEL D:

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HOT WATER

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HOT WATER

AutoCAD SHX Text ABBREVIATIONS IN UTILITY MAP BFP BACKFLOW PEVENTER GVL GAS VALVE BACKFLOW PEVENTER GVL GAS VALVE GVL GAS VALVE GAS VALVE CAB CABINET ICV IRRIGATION CONTROL VALVE CABINET ICV IRRIGATION CONTROL VALVE ICV IRRIGATION CONTROL VALVE IRRIGATION CONTROL VALVE CB CURB DRAIN MH MANHOLE COVER CURB DRAIN MH MANHOLE COVER MH MANHOLE COVER MANHOLE COVER CO CLEAN OUT PLB PULL BOX CLEAN OUT PLB PULL BOX PLB PULL BOX PULL BOX [C] COMMUNICATION UTILITY LINE PIV POST INDICATOR VALVE COMMUNICATION UTILITY LINE PIV POST INDICATOR VALVE PIV POST INDICATOR VALVE POST INDICATOR VALVE DI DRAIN INLET RD ROOD DRAIN DRAIN INLET RD ROOD DRAIN RD ROOD DRAIN ROOD DRAIN DRK FT DRINKING FOUNTAIN [SD] STORM DRAIN UTILITY LINE DRINKING FOUNTAIN [SD] STORM DRAIN UTILITY LINE [SD] STORM DRAIN UTILITY LINE STORM DRAIN UTILITY LINE [E] ELECTRIC UTILITY LINE [SS] SEWER UTILITY LINE ELECTRIC UTILITY LINE [SS] SEWER UTILITY LINE UTILITY LINE [SS] SEWER UTILITY LINE [SS] SEWER UTILITY LINE SEWER UTILITY LINE FDC FIRE DEPARTMENT [U] UNKNOWN (POSSIBLE) LINE FIRE DEPARTMENT [U] UNKNOWN (POSSIBLE) LINE [U] UNKNOWN (POSSIBLE) LINE UNKNOWN (POSSIBLE) LINE CONNECTION [W] WATER UTILITY LINE [W] WATER UTILITY LINE WATER UTILITY LINE [G] GAS UTILITY LINE WVL WATER VALVEGAS UTILITY LINE WVL WATER VALVEWVL WATER VALVEWATER VALVE

MATCH LINE - SEE SHEET 3

A

B

D

E

F

1 3 4 5 62

C

A

B

D

E

F

C

PARTIAL UNDERGROUND UTILITY MAP FOR:

WILDLAND FIREFIGHTING

HELITANKER STATION

GLEN HELEN RD. & FOREST LN.

SAN BERNARDINO, CA 92407

ARAGON GEOTECHNICAL, INC.

16801 VAN BUREN BLVD., BUILDING B

RIVERSIDE, CA 92504

3 thirteen, Inc.

4160 TEMESCAL CANYON RD

SUITE 401

CORONA, CA 92883

T / F - 1.888.899.1011 info@313subsurface.com www.313subsurface.com

The services performed by 3 thirteen, Inc. does not relieve the Client and/or property owner of their responsibility to comply with California Government Code §64216-4216.9. The Client and/or property owner acknowledges and agrees that the services provided by 3 thirteen, Inc. are not a substitute for, and do not replace, compliance with the requirements of California Government Code §64216-4216.9.

SHEET OF

WORK PERFORMED ON:

PROJECT NUMBER:

MAP PREPARATION

DATE:

QC CHECKED BY/DATE:

TECHNICIAN:

26-10449

JULY, 2026

C. KURIMAY 6

SCALE: 1" = 30'

JN 07/19/2026

UPDATES

NO DATE BY NOTES

07/17/2026

PROJECT NAME:LEGAL DISCLAIMER: CLIENT INFORMATION:

NOTE:

BACKGROUND IMAGE IS FROM GOOGLE EARTH AND IS FOR REFERENCE ONLY.

NO BACKGROUND HAS BEEN PROVIDED BY CLIENT. ONCE BACKGROUND IS PROVIDED

UTILITY MAP WILL BE UPDATED

AutoCAD SHX Text

POTHOLE 4 LOCATION AT 3.18 FT. - 10" PVC

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POTHOLE 3 LOCATION AT 3.04 FT. - 10" PVC

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POTHOLE 2 LOCATION AT 2.74 FT. - 10" PVC

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POTHOLE 1 LOCATION AT 2.32 FT. - 10" PVC / THRUST BLCK

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LINE[W] AT RISER

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LINE[E] AT BUILDING

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SCALE IN FEET

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MATCH LINE - SEE SHEET 5

A

B

D

E

F

1 3 4 5 62

C

A

B

D

E

F

C

PARTIAL UNDERGROUND UTILITY MAP FOR:

WILDLAND FIREFIGHTING

HELITANKER STATION

GLEN HELEN RD. & FOREST LN.

SAN BERNARDINO, CA 92407

ARAGON GEOTECHNICAL, INC.

16801 VAN BUREN BLVD., BUILDING B

RIVERSIDE, CA 92504

3 thirteen, Inc.

4160 TEMESCAL CANYON RD

SUITE 401

CORONA, CA 92883

T / F - 1.888.899.1011 info@313subsurface.com www.313subsurface.com

The services performed by 3 thirteen, Inc. does not relieve the Client and/or property owner of their responsibility to comply with California Government Code §64216-4216.9. The Client and/or property owner acknowledges and agrees that the services provided by 3 thirteen, Inc. are not a substitute for, and do not replace, compliance with the requirements of California Government Code §64216-4216.9.

SHEET OF

WORK PERFORMED ON:

PROJECT NUMBER:

MAP PREPARATION

DATE:

QC CHECKED BY/DATE:

TECHNICIAN:

26-10449

JULY, 2026

C. KURIMAY 6

SCALE: 1" = 30'

JN 07/19/2026

UPDATES

NO DATE BY NOTES

07/17/2026

PROJECT NAME:LEGAL DISCLAIMER: CLIENT INFORMATION:

MATCH LINE - SEE SHEET 2

M

AT

CH

L

IN

E

S

EE

S

HE

ET

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POTHOLE 5 LOCATION AT 3.54 FT. - 10" PVC

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SCALE IN FEET

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PARTIAL UNDERGROUND UTILITY MAP FOR:

WILDLAND FIREFIGHTING

HELITANKER STATION

GLEN HELEN RD. & FOREST LN.

SAN BERNARDINO, CA 92407

ARAGON GEOTECHNICAL, INC.

16801 VAN BUREN BLVD., BUILDING B

RIVERSIDE, CA 92504

3 thirteen, Inc.

4160 TEMESCAL CANYON RD

SUITE 401

CORONA, CA 92883

T / F - 1.888.899.1011 info@313subsurface.com www.313subsurface.com

The services performed by 3 thirteen, Inc. does not relieve the Client and/or property owner of their responsibility to comply with California Government Code §64216-4216.9. The Client and/or property owner acknowledges and agrees that the services provided by 3 thirteen, Inc. are not a substitute for, and do not replace, compliance with the requirements of California Government Code §64216-4216.9.

SHEET OF

WORK PERFORMED ON:

PROJECT NUMBER:

MAP PREPARATION

DATE:

QC CHECKED BY/DATE:

TECHNICIAN:

26-10449

JULY, 2026

C. KURIMAY 6

SCALE: 1" = 30'

JN 07/19/2026

UPDATES

NO DATE BY NOTES

07/17/2026

PROJECT NAME:LEGAL DISCLAIMER: CLIENT INFORMATION:

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1 3 4 5 62

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PARTIAL UNDERGROUND UTILITY MAP FOR:

WILDLAND FIREFIGHTING

HELITANKER STATION

GLEN HELEN RD. & FOREST LN.

SAN BERNARDINO, CA 92407

ARAGON GEOTECHNICAL, INC.

16801 VAN BUREN BLVD., BUILDING B

RIVERSIDE, CA 92504

3 thirteen, Inc.

4160 TEMESCAL CANYON RD

SUITE 401

CORONA, CA 92883

T / F - 1.888.899.1011 info@313subsurface.com www.313subsurface.com

The services performed by 3 thirteen, Inc. does not relieve the Client and/or property owner of their responsibility to comply with California Government Code §64216-4216.9. The Client and/or property owner acknowledges and agrees that the services provided by 3 thirteen, Inc. are not a substitute for, and do not replace, compliance with the requirements of California Government Code §64216-4216.9.

SHEET OF

WORK PERFORMED ON:

PROJECT NUMBER:

MAP PREPARATION

DATE:

QC CHECKED BY/DATE:

TECHNICIAN:

26-10449

JULY, 2026

C. KURIMAY 6

SCALE: 1" = 30'

JN 07/19/2026

UPDATES

NO DATE BY NOTES

07/17/2026

PROJECT NAME:LEGAL DISCLAIMER: CLIENT INFORMATION:

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1 3 4 5 62

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PARTIAL UNDERGROUND UTILITY MAP FOR:

WILDLAND FIREFIGHTING

HELITANKER STATION

GLEN HELEN RD. & FOREST LN.

SAN BERNARDINO, CA 92407

ARAGON GEOTECHNICAL, INC.

16801 VAN BUREN BLVD., BUILDING B

RIVERSIDE, CA 92504

3 thirteen, Inc.

4160 TEMESCAL CANYON RD

SUITE 401

CORONA, CA 92883

T / F - 1.888.899.1011 info@313subsurface.com www.313subsurface.com

The services performed by 3 thirteen, Inc. does not relieve the Client and/or property owner of their responsibility to comply with California Government Code §64216-4216.9. The Client and/or property owner acknowledges and agrees that the services provided by 3 thirteen, Inc. are not a substitute for, and do not replace, compliance with the requirements of California Government Code §64216-4216.9.

SHEET OF

WORK PERFORMED ON:

PROJECT NUMBER:

MAP PREPARATION

DATE:

QC CHECKED BY/DATE:

TECHNICIAN:

26-10449

JULY, 2026

C. KURIMAY 6

SCALE: 1" = 30'

JN 07/19/2026

UPDATES

NO DATE BY NOTES

07/17/2026

PROJECT NAME:LEGAL DISCLAIMER: CLIENT INFORMATION:

M

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IN

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INSTALLATION AND OPERATION MANUAL

DECHLORINATION SYSTEM

INTRODUCTION

The Hydra-Max dechlorination system is designed to provide automatic dosing of dechlorination tablets to remove chlorine residual from pressurized water flows. Constructed of 6061-T6 high strength, aircraft grade aluminum for maximum strength and durability, the Hydra-Max system requires no electro-mechanical components. It can accommodate flows from 150 to 900 gallons per minute (GPM). The compact size and built-in handle on the system provide easy transportation between jobsites. The device comes equipped with a 2 ½" NST coupling at the inlet and a flow directional swivel elbow on the outlet. This unique feature allows the direction of the outflow to be locked into place. When properly installed and operated, the Hydra-Max system will provide complete removal of free and combined chlorine. Please familiarize yourself with the contents of this manual before proceeding with installation and operation.

SYSTEM APPLICATION

The Hydra-Max dechlorination system is designed to accept 2 ⅝" diameter Enviro-C or Bio-Max dechlorination tablets. The most common application for the Hydra-Max system is dechlorination of water flows during fire hydrant flushing. The system can also be utilized for flushing new water mains or backflushing swimming pools. An stainless steel tablet cartridge contains multiple ¼" flow ports to provide the proper amount of mixing and contact with tablets. This allows for complete neutralization of chlorine and chloramines while keeping chemical waste to a minimum. The Hydra-Max system provides a fast and simple set-up that saves operators time and money. There are no mechanical parts that require adjustment or components that can be easily damaged or broken. The compact, durable one piece construction offers operators a low cost, low maintenance system.

HOW THE HYDRA-MAX® SYSTEM WORKS

The Hydra-Max system is a flow rated device designed to safely apply chemicals in pressurized applications to remove residual chlorine. The Hydra-Max dechlorination system provides consistent and precise neutralization of chlorine to meet stringent water treatment requirements mandated by Federal, State and Local regulations.

The Hydra-Max system can be used for treating water flows discharging from fire hydrants, swimming pools and new water mains. When backflushing swimming pools or flushing new water mains, the Hydra-Max system is typically installed at the discharge point of the water flow and connected to a hose specified for these applications. The Hydra-Max system incorporates a 2 ½" NST coupling for easy and fast connection to any fire hydrant. The outlet incorporates 2 ½" NST male threads for use with hoses, pilot gauges or other test equipment. During operation, flow enters through the inlet hub and is channeled through the compact dosing chamber. As flow passes through the system, it dissolves the dechlorination tablets to provide complete removal of free and combined chlorine from the flow. It is recommended that you check the removable tablet cartridge after 15 minutes of operation. If needed, add tablets and continue flushing.

SYSTEM PERFORMANCE

The Hydra-Max dechlorination system has been designed for a flush rate of 150 to 900 GPM with chlorine levels up to 4 ppm. The complete set-up time is 1-3 minutes and typically requires only one operator. The Hydra-Max system provides a fast and easy way to dechlorinate pressurized flows in the most cost effective and efficient manner when utilizing Norweco’s Enviro-C or Bio-Max dechlorination tablets.

HYDRA-MAX® DECHLORINATION SYSTEM

GENERAL INSTALLATION INSTRUCTIONS

The Hydra-Max dechlorination system is most commonly utilized for fire hydrant flushing. Follow the instructions below for fast and easy installation to any fire hydrant.

Norweco's Enviro-C dechlorination tablets, manufactured from pure Vitamin C, are the recommended tablets for this application to obtain the most effective treatment.

1. Secure the Hydra-Max system to the fire hydrant utilizing the 2 ½" NST coupling.

2. Position the outlet flow directional swivel elbow to desired location. Secure with the locking collar.

3. Remove threaded cap and tablet cartridge. Fill cartridge with eight Enviro-C tablets.

4. Replace tablet cartridge into the main body, pushing the cartridge to the bottom of the chamber.

ROUTINE MAINTENANCE

The Hydra-Max system requires little maintenance other than periodic cleaning and refill of the stainless steel tablet cartridge. When performing any maintenance, always wear proper gloves and safety goggles or a face shield. Follow the procedures outlined in the handling instructions for the chemicals being used with the system.

Before refilling the tablet cartridge, check the inside of the tube and rinse any residue with a low pressure hose. Occasionally, the tablet cartridge may need to be cleaned with a brush. The liquid flow will normally prevent accumulation of sediment or debris during routine operation. Lodged sediment or debris within the system can be removed with the cleaning brush or a gloved hand.

If the use of a brush is required, reference the Cleaning Brush section for detailed instructions.

HYDRA-MAX® INSTALLATION AND OPERATION MANUAL

FILLING AND INSTALLING TABLETS

Before handling any chemical tablets, carefully read the product container label and the CAUTION section of these instructions. When filling the removable stainless steel tablet cartridge, always wear gloves and safety goggles or a face shield for proper protection. Follow all handling instructions for the chemical tablets being used. To fill the tablet cartridge, remove it from the main body. Rinse the cartridge tube thoroughly with fresh water. Dry as required. Hold the cartridge at a 30° to 45° angle and slide the chemical tablets into the open end of the cartridge, one tablet at a time. Insure that each tablet lies flat against the next and evenly on top of one another. Carefully return the tablet cartridge to the main body. Be sure the cartridge is fully engaged into the system. Replace the threaded cap to secure the tablet cartridge in place. Utilize the Chemical Consumption Record on the back of this manual to track the chemical refill pattern.

CLEANING BRUSH

A brush for cleaning the removable tablet cartridge and main body is available from your local Hydra-Max system distributor. The cleaning brush can also be used to clean the inlet and outlet hubs of the system if necessary. To use the cleaning brush, wet the brush with fresh water and hold the cartridge over a clear area. Gently swab the cartridge to remove any buildup of tablet residue. Lower brush into the main body to clean the dosing chamber and inside of the system. If required, the brush can also be used to clean the inside of the flow directional swivel elbow. Thoroughly rinse the brush and the system with fresh water to finish the cleaning process.

Dry as needed. Store the brush in an area away from debris for future use.

TABLETS MUST LIE FLAT IN THE CARTRIDGE

HYDRA-MAX® ATTACHED TO HYDRANT

BIO-DYNAMIC® TABLET FEEDERS

HYDRA-MAX® INSTALLATION AND OPERATION MANUAL

ENVIRO-C® DECHLORINATION TABLETS

If the Hydra-Max system is to be used for the dechlorination of water or wastewater, a (5 lb., 10 lb., or 35 lb.) supply of Enviro-C dechlorination tablets is available from your local distributor. Enviro-C dechlorination tablets use the unique chemistry of Vitamin C to neutralize chlorine and chloramines from water, wastewater and process water applications. Containing 75% ascorbic acid, Enviro-C tablets assist in meeting stringent discharge limitations in a fast and effective manner. Each tablet is 2 ⅝" diameter, compressed to a 1" thickness, weighs approximately 4 ounces and is orange in color for easy identification. Enviro-C tablets incorporate a beveled edge to enhance the chemical dissolution pattern.

The Enviro-C tablets provide a consistent reduction or elimination of chlorine residual without significantly reducing dissolved oxygen. This tablet can be used in all major gravity and pressure rated tablet feeders or other devices such as diffuser equipment. Enviro-C tablets are non-toxic to fish and other aquatic life. When dosed correctly, it will take 1 gram of ascorbic acid to neutralize 1 mg/L of chlorine per 100 gallons of water.

TRI-MAX® TABLET FEEDER

The Tri-Max tablet feeder is a dry chemical dosing system for water, wastewater or process water treatment. It provides operators a way to use chemical tablets without installing traditional feeders to existing plant piping or assembling liquid chemical dosing systems in the field.

The Tri-Max system is constructed of heavy duty stainless steel for maximum strength and durability. It is designed to accept 2 ⅝" diameter chemical tablets and is equipped with three feed tubes. The Tri-Max tablet feeder may be installed at grade, in-line, mounted in the contact tank or below grade within a manhole or secondary enclosure.

The system contains handles on the outer two feed tube housings to assist with installation of the tablet feeder and transportation between jobsites. When utilizing the Tri-Max tablet feeder for disinfection, contact time is required after the flow passes through the system.

BIO-DYNAMIC® TABLET FEEDERS

Bio-Dynamic tablet feeders are self-contained dry chemical dosing systems for the treatment of water, wastewater or process water. A low cost, low maintenance and effective method of chemical treatment, Bio-Dynamic feeders have no mechanical components and require no electricity.

With fifteen different models, Bio-Dynamic feeders have multiple installation options that provide maximum flexibility and accommodate flows ranging from less than 100 GPD through 400,000 GPD. All Bio-Dynamic tablet feeders have a built-in tiered flow deck that allows for consistent chemical application during low, sustained, variable, intermittent and surge flows. Additional chemical dosage control options are available in many models.

BIO-MAX® DECHLORINATION TABLETS

If the Hydra-Max system is to be used for the dechlorination of water or wastewater, a 48 lb. supply of Bio-Max tablets is available from your local distributor.

Containing 92% sodium sulfite, the tablets are manufactured to neutralize both free and combined chlorine.

Bio-Max tablets incorporate beveled edges to enhance the chemical dissolution pattern. Each tablet is 2 ⅝" diameter, compressed to a " thickness, weighs approximately 5 ounces and is green in color for easy identification. The tablets dissolve slowly, releasing controlled amounts of chemical for the instantaneous removal of residual chlorine from the water or wastewater flow. Bio-Max tablets assist plant operators in meeting stringent chlorine discharge limitations in a low cost, low maintenance, environmentally safe manner. This tablet can be used in all major gravity or pressure rated tablet feeders and other devices such as diffuser equipment. The chemical application rate of the tablets remains consistent at peak flow factors as high as four. Bio-Max tablets are formulated to remove chlorine residuals to non-detectable levels.

CAUTION: The improper handling or use of Enviro-C or Bio-Max tablets may cause personal injury or property damage. All chemicals, chemical feed systems and components should be handled with care. Keep out of the reach of children and do not allow the tablets or feed tubes to contact skin, eyes or clothing. Tablets may be fatal if swallowed and tablet dust is irritating to the eyes, nose and throat.

Do not handle the tablets or feed tubes without carefully reading the product container label, safety data sheet (SDS) and the safety, handling and storage instructions. For additional information about these products, contact your local distributor.

13 16

HYDRA-MAX® INSTALLATION AND OPERATION MANUAL

220 REPUBLIC STREET

NORWALK, OHIO, USA 44857

TELEPHONE (419) 668-4471

FAX (419) 663-5440

www.norweco.com

DISTRIBUTED LOCALLY BY:

Norweco®, Norweco.com®, Singulair®, Modulair®, Travalair®, Singulair R3®, Singulair Green®, Ribbit Rivet®, Hydro-Kinetic®, Hydro-Kinetic Bio-Film Reactor®, Evenair®, Lift-Rail®, Microsonic®, Bio-Dynamic®, Bio-Sanitizer®, Bio-Neutralizer®, Bio-Kinetic®, Bio-Static®, Bio-Gem®, Bio-Max®, Bio-Perc®, Blue Crystal®, Phos-4-Fade®, Enviro-C®, Nitro-Buster®, ClearCheck®, ChemCheck®, Tri-Max®, Hydra-Max®, Service Pro®, MCD®, TNT®, WASP®, Grease Buster® and “BUSTER” logo® are registered trademarks of Norwalk Wastewater Equipment Company, Inc.

©MMXXI NORWECO, INC.

The Hydra-Max dechlorination system is backed by a comprehensive ten year limited warranty. The purchaser is protected from defects in material and workmanship, under normal use and service, for a period of ten years.

The Hydra-Max system distributor will provide detailed warranty information to each purchaser. This warranty shall be determined by the original date of purchase.

If the Hydra-Max system or tablet cartridge requires service or replacement, do not use the system. Contact your local, authorized Hydra-Max system distributor to arrange for replacement of the system or component.

After inspection, the distributor will return the system or component to the factory and replace the necessary items according to the terms of the limited warranty.

Use of chemical tablets not produced or approved by Norweco may affect the integrity of your Hydra-Max dechlorination system and void the ten year limited warranty.

HYDRA-MAX® CHEMICAL CONSUMPTION RECORD

For your reference, please document chemical consumption and maintenance on the following chart:

DATE DESCRIPTION

SYSTEM SAFETY

Only authorized personnel should have access to the Hydra-Max system and its components. Maintenance of the system should be performed after each use. Proper gloves and safety goggles or a face shield should always be worn when providing service to any chemical feed system.

All safety and handling procedures for chemical tablets must be followed completely. Thoroughly read chemical container label before use. Only trained personnel using the proper safety procedures and approved equipment should be allowed in the vicinity of a treatment system.

Make sure the system and all other treatment processes are secured for safety and to prevent unauthorized access.

Before proceeding with installation and operation of the Hydra-Max system, it is recommended that you familiarize yourself with the contents of this manual. Please contact your local Hydra-Max distributor for additional installation information or recommended chemical treatment products for your application.

HYDRA-MAX® LIMITED WARRANTY

SPECIAL DISTRICTS DEPARTMENT

COUNTY OF SAN BERNARDINO

CALIFORNIA

STANDARDS

FOR

DOMESTIC WATER SYSTEMS

DIVISION F

DESIGN CRITERIA AND PLAN PREPARATION

DIVISION G

TECHNICAL SPECIFICATIONS

DIVISION H

STANDARD DRAWINGS

REVISION

APRIL-14-2020

TABLE OF CONTENTS

DIVISION “F”

DESIGN CRITERIA AND PLAN PREPARATION

WATER

SECTION PAGE

1.1 General F-1

1.2 Water Demand F-2

1.3 Design for Future Growth F-2

1.4 Supply F-2

1.5 Storage F-2

1.6 Booster Stations F-3

1.7 Transmission and Distribution Mains F-3

1.8 Electrical Equipment F-5

1.9 Automatic Controls F-6

1.10 Miscellaneous Requirements F-6

1.11 Plan Preparation F-6

1.12 Technical Specifications F-7

1.13 Standard Drawings F-7

1.14 Sample Plan F-8

DESIGN CRITERIA AND PLAN PREPARATION

WATER

The following requirements pertain to the design and preparation of plans for construction of the various components to the water system.

1.1 General

1.1.01 Scope -- All wells, transmission and distribution mains, storage reservoirs and booster stations to be owned, maintained, and/or operated by the District shall be designed and plans prepared according to the criteria set forth in this section, and shall be so designed to conform to all applicable State and local laws, ordinances and regulations. The design shall also take into consideration any environmental restrictions applicable to a particular region.

1.1.02 Design Competence -- In general, all water facilities shall be designed by licensed Professional Engineers in the state of California according to accepted practice in the water field.

Generally, the design standards and construction standards provided herein shall be in compliance with the American Water Works Association (AWWA) and the Insurance Services Office (ISO). Other recognized standards may be accepted; however, request for use of other standards shall be offered to this agency in writing and shall include reasons for requesting a variance from the above mentioned authorities.

1.1.03 Legal Access -- Each lot to be served by water shall have frontage to a public street or recorded easement containing a water line, or be provided with permanent legal access to such a water line.

Any water facilities required for operation shall be provided within lands which have been dedicated in perpetuity and recorded, or which have been provided in fee title and recorded. Dimensions of property offered either for dedication or in fee title shall be adequate to facilitate the ultimate size of the proposed water facility and be adequate to provide space required for turning movements of heavy equipment which normally would be required to construct, maintain and replace the water facility.

1.1.04 Deviations -- Deviations from any of the criteria adopted herein may be permitted upon written request to and approval by the District.

F-1

1.2 Water Demand

1.2.01 Domestic Use -- Domestic flows shall be based on consumption records of surrounding water systems. In the absence of such records, domestic flows shall be based on the following: an average daily use of 180 gallons per capita per day; a peak daily flow of two times the average daily flow; and a peak hourly flow of four times the average annual daily flow.

1.2.02 Fire Flow -- Fire flow demand on the system shall be per the standards entitled “Guide for Determination of Required Fire Flow” published by Insurance Services Office. All fire protection water systems shall require the approval of the fire authority having jurisdiction in that given area prior to final approval of the water system design.

All fire flow requirements are over and above the average daily consumption of water, and shall be achieved at not less than twenty-(20) psi minimum residual pressure at the point of fire flow.

1.3 Design For Future Growth

Transmission and distribution mains shall be designed for ultimate demand. Storage, supply, and booster station facilities shall be reviewed by the District on a per case basis.

1.4 Supply

1.4.01 General -- The supply system shall be designed as a multi-source system capable of handling peak daily demand with the largest source of supply not in operation.

1.4.02 Wells -- Wells shall be housed in a structure compatible with the surroundings.

Provisions within this structure shall be made to facilitate removing of pumps, motors and other equipment. Wells shall be located upon land to which legal access is provided and for which a permanent easement or title is recorded. Vertical turbine pumps shall meet the standards set forth in AWWA Standard E-101. All wells shall be furnished with sounding tube, air line, water meter, electric kilowatt hour meter, running time meter, air valve, gravel shoot casing vent, check valve or pump control valve, and shutoff valve on the discharge piping.

1.5 Storage

Storage capacity shall consist of operational storage plus fire flow storage as related to each pressure zone. Operational storage shall be the maximum day demand. The inclusion of emergency storage should be considered depending upon the reliability of supply.

F-2

1.6 Booster Stations

1.6.01 Pumps in Hydropneumatic Systems -- In systems where pumps shall be instantaneous peak demands, without supplementary flows from storage, the pump capacity shall be based on peak hour demand together with coincidental fire flow demand for the highest fire flow anticipated for the proposed land use with one pump out of service.

1.6.02 Pumps in Gravity Systems -- In systems with adequate available flows from storage to supplement pumping, pumping capacity should be based on peak day demand together with coincidental fire flow demand for the highest fire flow anticipated for the proposed land use with one pump out of service.

1.6.03 Structure -- Booster pumps shall be housed in a weather-tight structure compatible with the surroundings. Provisions within this structure shall be made to facilitate removing of pumps, motors and other equipment.

1.7 Transmission and Distribution Mains

1.7.01 Pipe Size -- Mains shall be sized to accommodate the greater of the following while maintaining a minimum pressure as specified in subsection 1.7.02 herein at street service connections. The minimum pipe diameter is 8”.

1) peak hour demand

2) peak day demand plus fire flow

3) nighttime storage replenishment flow

The capacity of water mains shall be determined by using the Williams and Hazen Formula with an appropriate “C” value. The velocity of the water in the pipe shall be limited to 8-feet per second maximum, except in hydrant branch lines.

The maximum loss of head during either peak hour or nighttime replenishment flow conditions shall be 3-feet per 1,000 lineal feet of pipeline.

1.7.02 Operating Pressures -- Maximum pressure in mains shall not exceed 125 psi.

Pressure reducers will be required on service connections where static pressure exceeds 90 psi.

Minimum pressure in mains shall be 40 psi during peak hour operation without fire flows and shall not be less than 20 psi during peak hour operation with fire flows.

F-3

1.7.03 Depth of Cover -- A minimum four – foot depth of cover from top of pipe to finish grade or top of pavement shall be maintained on all pipelines below grade. Additional cover may be required where deemed necessary by the District.

1.7.04 Location and Alignment -- Wherever possible, water mains shall be located in public streets parallel to street centerlines.

1.7.05 Clearance from Sewer Lines -- Where possible, a minimum horizontal clear distance of 10-feet shall be provided between water and sewer line laid parallel. Where such lines cross a minimum vertical clearance of 3-feet shall be provided with the sewer under the water line.

If the above conditions cannot be met, special construction will be required according to the requirements set forth on Standard Drawing No. H-1 herein.

1.7.06 Mains under Structures -- No water mains shall be located beneath a structure (including fences and block walls) except as approved in writing by the District.

1.7.07 Looped Lines and Flushouts -- Looped lines shall be provided where practical. Where dead ends are necessary, provisions for flushing shall be included.