A04_-_SOW_______PMIS_322691_322705_replace_septic_systems_Kingston_Ranch_facility_SODN_SAGU.pdf

PDF 1 MB Posted Apr 25, 2024

Attached to: SODN SAGU-REPLACE DRLC SEPTIC SYSTEMS AND LEACH FI Federal contract opportunity
Solicitation number: 140P1524R0005
Issued by: Department of the Interior National Park Service Intermountain Region

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Written by GovTribe AI · Apr 25, 2024

This document is a Statement of Work (SOW) for a task order to replace the septic systems and leach fields at the Desert Research Learning Center (DRLC) in Saguaro National Park. The project involves removing the existing septic tanks, leach fields, and distribution piping, and installing new dual-chamber concrete septic tanks, distribution boxes, infiltration chambers, and associated piping. The work is required to meet current Pima County Department of Environmental Quality and National Pollution Discharge Elimination System code requirements.

The SOW provides details on the specific work tasks, codes and standards, approved equivalents, contractor requirements for safety, quality assurance, submittals, and final deliverables. It also includes site coordination requirements such as work zones, staging areas, and waste management. The related federal contract opportunity is a solicitation (Solicitation Number: 140P1524R0005) issued by the Department of the Interior National Park Service Intermountain Region to procure the septic system replacement work at the DRLC facility.

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B01_-_RFQ_140P1524R0005.pdf	PDF	Apr 25, 2024
B03_-_DOL_Wage_Rates_AZ20240018.pdf	PDF	Apr 25, 2024
Sol_140P1524R0005.pdf	PDF	Apr 25, 2024

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1 Scope / Statement of Work (SOW)

Task Order / Replace Septic Systems and Leachfields at Desert Research Learning Center, Saguaro National Park

PMIS # 322691 and 322705

Desert Research Learning Center Saguaro National Park Tucson, AZ

Prepared By: John A.” Andy” Hubbard

Date: March 25, 2024

Table of Contents

Contents 1 Project Overview

1.1. Location and Facilities

1.2. Project Description

2 Summary of Requirements and Objectives 3 Codes and Standards 4 Approved Equivalents 5 Specific Work/Tasks

5.1 Septic System Replacement

5.2 General

6 Additional Requirements

6.1 Project Schedule

6.2 Safety

6.3 Security

6.4 Quality Assurance

6.5 Travel

6.6 Progress Payments

6.7 Project Meetings

6.8 Substantial Completion and Final Inspection

7 Site Coordination

7.1 Special Construction Conditions

7.2 Staging Areas

7.3 Work Zones

7.4 Protection of the Public

7.5 Parking of Work Vehicles

7.6 Temporary Materials, Equipment, and Services

7.7 Hot Work Permit

7.8 Smoking

7.9 Electricity

7.10 Telephone

7.11 Water

7.14 Waste Management

8 Submittals 9 Final Deliverables

10 APPENDIX A

NPS POINT OF CONTACT:

Contractual:

Contracting Officer (CO):

Contractual:

Contracting Officer Representative (COR):

Nick Smith 520-733-5190 nicholas_smith@nps.gov

Technical:

Project Manager (PM):

Andy Hubbard 520-429-8147 andy_hubbard@nps.gov

Park Staff:

Chief of Facility Management Richard Goepfrich 520-461-6904 (mobile) Richard_Goepfrich@nps.gov

RMD Maintenance Supervisor Paul Dudas 520-347-9486 (mobile) 520-733-5141 (office) Paul_Dudas@nps.gov

Task Order / Replace Septic Systems and Leachfields at Desert Research Learning Center, Saguaro National Park

Desert Research Learning Center (SODN) on Saguaro National Park (SAGU)

Task Order#: (CO – please provide number)

2 Project Overview

1.1. Location and Facilities

This project involves the Main Building and Annex of the Desert Research Learning Center, located on the Rincon Mountain District of Saguaro National Park (SAGU). The facility is located at 12661 E. Broadway Blvd, Tucson, Arizona 85748.

1.2. Project Description

This Scope of Work (SOW) is for a combined replacement of existing septic tanks, leachfields, and wastewater distribution plumbing and boxes at the Desert Research Learning Center (DRLC). Existing systems are failing and exceed their component design life. The project replaces existing equipment and structures with higher reliability equipment that will meet 2017 Pima County Department of Environmental Quality (DEQ) and 2018 National Pollution Discharge Elimination System (NPDES) code requirements. Attached designs (Appendix A) stamped by a Professional Engineer meet these requirements and will be followed by the Contractor.

3 Summary of Requirements and Objectives

Project requirements are described in this SOW. In addition, refer to Appendix A. for project diagrams, engineering specifications and requirements, and completed Arizona Department of Environmental Quality Uniform Site Investigation Report Forms for each system. These documents provide additional requirements as well as required outcomes. The Contractor shall site verify all existing conditions prior to commencing work on site.

4 Codes and Standards

The Contractor is responsible for securing all needed permits and for ensuring compliance with all federal, state, and local codes and design standards, latest editions, including the following. If discrepancies are found between the SOW and codes or standards as referenced in this SOW, the codes or standards shall govern, unless noted otherwise.

A. International Building Code (IBC, International Code Council) (Most current edition) B. International Mechanical Code (IMC, International Code Council) (Most current edition) C. International Plumbing Code (IPC, International Code Council) (Most current edition)

D. National Electrical Code (NFPA 70) (Most current edition) E. National Fire Protection Association Codes (NFPA) F. American Society of Heating, Refrigerating, and Air-Conditioning Engineers Standards

(ASHRAE)

G. Air-Conditioning, Heating, & Refrigeration Institute Standards (AHRI) H. Sheet Metal & Air Conditioning Contractors’ National Association Standards (SMACNA) I. National Environmental Balancing Bureau Standards (NEBB) J. National Electrical Equipment and Medical Imaging Manufacturers (NEMA) K. Occupational Safety and Health Administration (OSHA) L. US Department of Transportation Manual on Uniform Traffic Control Devices (MUTCD) M. Architectural Barriers Act Accessibility Standard (ABAAS)

5 Approved Equivalents

Contractor proposed equivalents shall be submitted for review during the solicitation period as Requests for Information (RFI). Proposed equivalents shall not be reviewed after the solicitation period.

6 Specific Work/Tasks Note 1: The following task list does not dictate the sequence of construction.

Note 2: Contractor shall be responsible for verifying disposal of demolished materials.

5.1 Septic System Replacement

Contractor shall:

A. Remove current North System septic tanks and distribution box and dispose of these materials in an approved local landfill. The South System septic tank and distribution box will be abandoned in place following completion of the new South System. This includes pumping septic tank waste materials from both existing tanks and hauling sewerage to an Arizona Department of Environmental Quality (ADEQ)-approved septic disposal facility, and excavation and hauling of demolished tank and box materials to an ADEQ-approved landfill. Existing leachfields may be abandoned in place if they do not interfere with the establishment of new leachfields; otherwise, contractor shall remove and haul leachfield pipe to an ADEQ-approved landfill and backfill.

B. North system: Provide and install 1 new traffic rated, ADEQ-approved (AAC R18-9- A314), dual-chamber, 2000-gallon gallon concrete septic tank, 2 inspection risers/lids, 1 filter tee, 1 distribution box, approximately 42 infiltration chambers (Infiltrator Quick 4 or equivalent, 4’L x 3’W), 6 chamber caps, approximately 145’ of 4” PVC SDR-35 pipe, 1 cleanout (4” PVC), and 3 inspection pipes (4” PVC). See Appendix A. for details and design specifications.

C. South system: Provide and install 1 new traffic rated, ADEQ-approved (AAC R18-9- A314), dual-chamber, 1250-gallon gallon concrete septic tank, 2 inspection risers/lids, 1 filter tee, 1 distribution box, approximately 34 infiltration chambers (Infiltrator Quick 4 or equivalent, 4’L x 3’W), 4 chamber caps, approximately 145’ of 4” PVC SDR-35 pipe, and 2 inspection pipes (4” PVC). See Appendix A. for details and design specifications.

D. Excavate/backfill as needed to complete the installations. Tank and box trench installation to comply with Pima County DEQ (Type 4.02 General Permit Requirements for Conventional Trench System), R18-9-A314 and Arizona DEQ requirements.

E. Provide and install plumbing and fittings as needed to connect new tanks and D-boxes to existing outflow plumbing from Main and Annex Buildings. For North (Annex) septic system, piping will convey sewerage under the North parking lot to new tank location (see Appendix A). Surface-level 2-way cleanouts to be installed ahead (upstream) of each septic tank for every 100’ of distribution piping with 2% minimum slope.

F. Dispose of deleted pipe, excess soil, and any other waste materials in an ADEQ-approved landfill.

G. Bluestake and coordinate with utilities as needed to ensure excavation and backfilling do not impact other buried and overhead utilities.

5.2 General

A. Field verify all dimensions and materials prior to ordering any construction materials.

B. Contractor shall provide a construction schedule to the Contracting Officer at the preconstruction conference. Please provide at least 24 hours’ notice to the Contracting Officer prior to mobilization and commencement of work.

C. NPS will work with ARC to locate an area for the storage of Contractor’s equipment and materials but assumes no liability for loss or damage of such items.

D. The Contractor shall provide for the safety of employees engaged in project work in compliance with OSHA regulations. “Tailgate” safety meetings shall be held once before the commencement of work and at least once weekly thereafter.

E. Unless other arrangements are made in advance, project work may be undertaken during normally scheduled hours of the park Maintenance staff - 8:00 am to 4:30 pm, Monday through Friday. No work shall be scheduled on legal holidays.

F. The following deliverables shall be submitted by the Contractor a minimum of one week prior to the Pre-Construction Meeting.

i. Letter designating the Contractor’s Project Superintendent

ii. Project schedule

iii. Site Specific Safety Plan

iv. Quality Control Plan

v. A list of contractors (If required)

vi. Waste Management Plan

vii. Worker Safety and Health Program

viii. SF1413 for contractor (If required)

ix. Project Manual

7 Additional Requirements

6.1 Project Schedule

The Contractor shall develop a detailed project schedule. This schedule shall include key milestones of the project, including start and finish dates, as well as proposed work times. The Contractor shall submit this schedule for review and approval prior to work proceeding. The Contractor shall actively maintain and update the schedule as required by the COR.

6.2 Safety

A. The Contractor shall submit the following prior to work proceeding and maintain a copy onsite during the project:

B. Safety Data Sheets (SDS) C. Project specific site safety plan. This plan shall include the following at a minimum:

1. Description of work

2. Nomination of project management staff, including site safety representative

3. Contact information for project management staff

4. Contact and location information for local emergency services

5. Description of anticipated high safety risk activities, including activity hazard analyses and safety control measures

6. Site protection and traffic control measures, including sketches to illustrate provisions.

D. Contractor shall be responsible for complete and strict compliance with the park policies.

E. The Contractor shall fully comply with 29 CFR 1926.

F. The Contractor shall provide temporary safety barriers, as necessary, to provide a safe, hazard-free space for workers, pedestrians, and vehicles during construction.

G. The Contractor shall install protective measures to contain dust and debris during construction to assure a safe and irritant free work environment for building occupants.

Return all areas to the original condition at the conclusion of work.

H. The Contractor shall remove and dispose of excess materials, debris, or waste at an approved off-site location in accordance with applicable Local, Tribal, State and Federal laws and regulations, and pay any related fees. Burning or burial of materials is not permitted.

6.3 Security

A. The Contractor shall secure new equipment and materials. Limited storage space is available for the Contractor. However, the location of trailers, storage, sheds and staging areas shall be approved by the COR.

B. The Contractor shall comply with all park security policies.

6.4 Quality Assurance

A. The Contractor shall develop and maintain a quality program to ensure services are performed in accordance with commonly accepted commercial practices. The quality of all work shall be the responsibility of the Contractor. Inspect and test all work as needed to ensure that the quality of materials, workmanship, work, finish, and functional performance complies with the SOW.

B. The Government shall periodically evaluate the Contractor’s performance in accordance with this SOW.

C. All new equipment shall conform to the manufacturer’s instructions and guidelines for installation and start-up.

6.5 Travel

A. Contractor shall be responsible for all travel related expenses for this project, including mobilization of equipment, tools, materials, labor, lodging, meals, and per diem.

6.6 Progress Payments

A. Progress payments during work will be based on the percentage of work completed on items listed on the approved Bid Schedule, Schedule of Values or by Contract Line Item.

Actual work completed and in place will form the basis for payment. Verification of the percentage (%) complete shall be initiated by the Contractor for approval by the COR. The Contractor shall make the computations for payment based on the Government’s verification of work completed and in place for any periods for which progress payments are requested.

B. The Contractor shall furnish the originals of all field notes, invoices and payroll reports, and all other records relating to the basis for payment, to the CO, who shall use them as necessary to determine the final amount of progress payments. The Contractor shall retain copies of all such material furnished to the CO.

6.7 Project Meetings

Pre-construction meeting: The Project Manager will arrange an on-site pre-construction meeting with the Contractor. Notes of the meeting shall be recorded by the Contractor and will be distributed after the meeting. The meeting agenda shall include the following as a minimum:

A. Park rules and regulations B. Correspondence procedures C. Progress meetings D. Lines of authority E. Roles and responsibilities F. Coordination of sub-contractors G. Submittal process H. Project schedule I. Progress payments J. Acceptance/rejection of the work K. Labor standards and labor law application L. Payroll reports M. Modifications N. Accident Prevention Plan and accident reporting O. Medical emergency processes, availability, emergency numbers, and contacts P. Park permits, burning work waste, rules of the road, alcohol use, housekeeping, firearms, pets, natural and cultural resource concerns Q. Visitation, access, and public relations R. Site and schedule coordination

6.8 Substantial Completion and Final Inspection

A. Submit written certification that project, or designated portion of project, is substantially complete, and request, in writing, a final inspection. Upon receipt of written request that project is substantially complete, the CO will proceed with inspection within 10 calendar days of receipt of request or will advise the Contractor of items that prevent the project from being designated as substantially complete.

B. When work is determined to be substantially complete, the COR will prepare a list of deficiencies ("Punch List") to be corrected before final acceptance. The CO will issue a Letter of Substantial Completion. If work is not determined to be substantially complete, the CO will notify the Contractor in writing. After completing work, the Contractor shall resubmit certification and request a new final inspection.

C. If, following final inspection, the work is determined to be substantially complete, CO will prepare a list of deficiencies to be corrected before final acceptance and issue a Letter of Substantial Completion. Contractor shall complete the work described on the list of deficiencies within 15 calendar days, as weather permits. If the Contractor fails to complete the work within this time frame, the CO may either replace or correct the work with an appropriate reduction in the contract price or charge for re-inspection costs in accordance with the Inspection of Work clause of the contract.

8 Site Coordination

7.1 Special Construction Conditions

The Contractor shall follow the base SABER contract requirements for a submittal log, Material Safety Data Sheets, Product Data and Shop Drawings, Safety Program including project specific safety plan, Quality Control Plan, Site Cleanup, Construction Barriers and Fencing, Concrete Placements and Site Work, Construction Testing, Environmental Testing, Utility Shutdowns, Accident Reports, As-Built drawings, Site Security, and Warranties. In addition, the Contractor shall:

A. The project shall be completed while the Desert Research Learning Center is operational.

Scheduling of work shall be in close cooperation with the Project Manager. Building tenants shall have no unplanned functional disruptions resulting from the Contractor’s planning and execution of project work and requirements. Buildings shall remain operational during normal business hours. Contractor to provide temporary chemical toilets for contractor, park, and visitor use during any disruptions in permanent sanitary toilet use at the facility that may arise during contruction.

B. Contractor requests to work afterhours shall be approved by the NPS Project Manager.

Requests to work outside normal business hours shall be submitted in writing to the Project Manager not less than 48 hours in advance of the proposed after-hours work. Any SAGU staff overtime required may be charged back to the Contractor.

C. Protect existing construction and building exterior and interior from staining, moisture intrusion, soiling, and damage during construction. Clean, repair, or restore and construction or finishes damaged or soiled during construction.

D. Lead Paint Inspection: Verify all work locations are free or have been abated for lead paint containing materials.

E. Cultural Resource Monitoring: The site is within a significant cultural landscape. Though the building perimeter has been disturbed during the building’s construction, buried cultural resources may be encountered during ground disturbance activities. All ground disturbance must be monitored by NPS staff. No ground disturbance should occur without notification of NPS staff or without an archaeologist present.

7.2 Staging Areas

The Contractor shall:

A. Limit work sites to the smallest feasible area. Ground disturbances and site management shall be carefully controlled to prevent undue damage to vegetation, soils, and archeological resources and to minimize air, water, soil, and noise pollution.

B. Confine storage of work materials and equipment to immediate vicinity of project site, unless directed otherwise by the COR. All staging areas shall be returned to pre-work conditions once work is complete. Standards for this, and methods for determining when the standards are met, shall be developed in consultation with the COR. If used, all temporary water, sewer, sanitary facilities, electric and other utilities and utility connections shall be completely removed upon project completion.

7.3 Work Zones

The Contractor shall:

A. Not disturb portions of project site beyond areas in which the work is indicated. Work zones may require work barrier fencing, chain link, plastic or portable fencing as directed by the COR. The fencing shall define the work zone and confine activity to the minimum area required for work. All protection measures shall be clearly stated in the work documents, and workers will be instructed to avoid conducting activities beyond the work zone as defined by the work zone fencing.

B. Confine limits of work to the smallest safe and efficient working areas. Prevent compaction of soils by equipment, and do not damage existing plantings or their root systems. All left over construction material shall be disposed of by Contractor.

C. Not establish a construction camp.

7.4 Protection of the Public

The Contractor shall fence, barricade, or otherwise block off the immediate work area to prevent unauthorized entry and warn the public of potential hazards. Erect and maintain fencing, barricades, lights, and warning signs in accordance with MUTCD-2003 as applicable.

7.5 Parking of Work Vehicles

Parking of vehicles shall be limited to existing parking lots, in designated areas close to the jobsite, and within approved staging area.

7.6 Temporary Materials, Equipment, and Services

Temporary materials may be new or used but shall be adequate in capacity for the required usage, shall not create unsafe conditions, and shall not violate requirements of applicable codes and standards.

7.7 Hot Work Permit

A Hot Work Permit in accordance with park policies is required for any welding, cutting, brazing, soldering or any work that generates sparks or excessive heat. Contractor shall provide at least a 24-hour advanced notice to obtain a Hot Work Permit. A capable and qualified person shall be placed in charge of fire protection. The responsibilities shall include providing and maintaining fire protection equipment and establishing and maintaining safe torch cutting and welding procedures.

7.8 Smoking

Smoking at the work site is prohibited. Due to drought conditions and the danger of wildland fire, therefore smoking is allowed only within the Contractor’s vehicles.

7.9 Electricity

SAGU will provide electricity from existing receptacles in mechanical rooms / closets for construction.

7.10 Telephone

Cell phone service is occasionally not available at the project site. The Contractor will require an alternate means of communication if emergency services are needed at the site.

7.11 Water

Water is available at project site as advised by SAGU.

7.12 Sanitary Facilities

Contractor shall provide temporary chemical toilets for contractor use during the duration of construction.

7.13 Hauling Restrictions

Contractor shall comply with all legal and local load restrictions in the hauling of materials.

7.14 Waste Management

A. Contractor shall employ processes that ensure the generation of as little waste as possible.

Minimize waste generation due to over-packaging, poor planning, breakage, mishandling, contamination, error or other factors. Of the waste generated, as much as is economically feasible shall be reused, salvaged or recycled. Waste disposal in landfills shall be minimized. All material unsuitable for recycling shall be disposed of, in a legal manner, at public or private dumping areas outside the park.

B. Contractor shall provide a solid waste diversion report estimating amount of construction waste produced (in pounds) to COR upon completion of project. Waste diversion report shall specifically include:

1. Total amount of solid waste generated on-site during period of performance.

2. Total percentage of waste diverted from landfill through reuse and/or recycling.

C. Contractor shall sort all recyclable metal materials (steel, aluminum, copper) into on-site stockpiles for recycling by NPS. Project Superintendent to coordinate recycling storage locations with NPS Project Manager.

9 Submittals Contractor shall submit the items listed below for review and approval within 14 calendar days of contract award and receipt of Contractor bonds (unless otherwise noted). Government review comments will be returned within 7 calendar days after receipt of submittals. Contractor mobilization or performance of work shall not begin until submittals have been approved.

A. Product schedule B. Material safety data sheets C. Product data and shop drawings D. Description of all proposed materials and methods, to be included with proposal.

E. Specifications and product information on all materials and methods, along with any other required supporting information to support proposal, prior to ordering or fabricating any materials or products.

F. Safety plan discussing measures to be taken to ensure worker and visitor safety.

G. Waste diversion report (submit upon completion of project)

10 Final Deliverables Contractor shall provide the following within seven (7) calendar days of project completion and prior to the punch-list site visit. Submit draft versions of these items electronically (PDF).

Once reviewed and approved, provide deliverables in two (2) 3-ring binders with section dividers for each deliverable. Final deliverables shall include a CD (or thumb drive) with all approved deliverables in electronic form (PDF). Contractor shall provide the following PRIOR

TO FINAL PAYMENT.

1. Warranty Certificates – 2 hard copies and 1 digital (PDF)

2. Operation and Maintenance Manual - 2 hard copies and 1 digital

3. Record of training attendees – 2 hard copies and 1 digital

11 APPENDIX A.

Uniform Site Investigation Report Forms (A.A.C. R18-9-A310) for State of Arizona, Site Diagrams, Design Specifications, and Material Estimates.

Uniform Site Investigation Report Form (A.A.C. R18-9-A310) for State of Arizona

ADEQ GWS FORM 423

(REV. NOVEMBER 20, 2015) PAGE 1 OF 3

DOWNLOAD THE LATEST UPDATE OF THIS FORM FROM THE ADEQ WEBSITE AT

http://www.azdeq.gov/environ/water/permits/download/investigation.pdf

1 Authorization For Site Investigation I certify that I am (check one) the Owner, the Authorized Representative or an Other Person and have authority to grant the investigator access to the property for this site investigation and authorize the work certified in this site assessment.

Name & Address (Printed) __________________________________________________________________________________________

Signature _______________________________________

2 Project Identification Property Owner or Project Name

3 Site Information [A.A.C. R18-9-A309(B)(2)(a)] Address City

Parcel Number Lot Number

Township Range Section

Latitude º ‘ “ N Longitude º ‘ “ W

4 Investigator Information [A.A.C. R18-9-A310(H)]

Name Phone

Title Firm Name

Mailing Address City State

Zip E-Mail

5 Surface Characterization [A.A.C. R18-9-A310(C)] Identify the presence or absence of all of the following possible limiting conditions in the intended location of the treatment works and the primary and reserve areas of the on-site wastewater treatment facility:

A) The surface slope is greater than 15 % at the intended location of the on-site wastewater facility YES No B) Setback distances do NOT meet all the minimum values specified in R18-9-A312(C) YES No

NOTE: Check YES if the location or size of the dwelling or other improvements, or the bedroom count or the fixture unit count is UNKNOWN to the site investigator.

C) Surface drainage characteristics could adversely affect the ability of the facility to function properly YES No NOTE: If YES, please describe in Attachment 4.

D) A 100-year flood hazard zone, as indicated on the applicable flood insurance rate map, is located within the property on which the on-site wastewater treatment facility will be installed YES No NOTE: If YES, please specify the FEMA Flood Insurance Map Number or Other Source________________________________________ E) An outcropping of rock that cannot be excavated is present and could impair the function of soil receiving the discharge . YES No F) Fill material deposits are present YES No

If the answer is YES to any of the above potential surface limiting conditions, please show location and note the condition type on Site Investigation Map (Item 7).

6 Subsurface Characterization Method [A.A.C. R18-9-A310(D)] Check method used to perform subsurface characterization per A.A.C. R18-9-A310(D)(1) and (3)

A) ASTM D5921 used? Yes No (if Yes, please enclose Attachment 1)

B) Percolation test method used? Yes No (if Yes, please enclose Attachment 2)

C) Seepage performance test method used? Yes No (if Yes, please enclose Attachment 3)

D) Other ADEQ approved method? Yes No (if Yes, please provide in Attachment 4 the method and data)

JACOB FLEETWOOD 330 W GOLF VIEW DR ORO VALLEY AZ 85737

32.222814 -110.723063

JACOB FLEETWOOD PE 5204377226

ENGINEER FLEETWOOD ENGINEERING

330 W GOLF VIEW DR ORO VALLEY AZ

85737 FESEPTIC@GMAIL.COM

14S 16E 8

12661 E BROADWAY BL TUCSON

205-57-016C

Jacob Fleetwood Digitally signed by Jacob Fleetwood Date: 2023.04.04 17:47:22 -07'00'

12661 E BROADWAY BL SOUTH SEPTIC SYSTEM

(REV. NOVEMBER 20, 2015) PAGE 2 OF 3

DOWNLOAD THE LATEST UPDATE OF THIS FORM FROM THE ADEQ WEBSITE AT

http://www.azdeq.gov/environ/water/permits/download/investigation.pdf

7 Site Investigation Map Showing the Location of Limiting Conditions and Setbacks from Features and Improvements [A.A.C. R18-9-A309(B)(2)(a)]

A. CHECK below the features shown on the Site Investigation Map. WRITE N/A if item is NOT PRESENT.

RECORD below the separation (feet) that will be maintained between the system and the checked feature.

Water supply well ____ (ft) Water main or branch water line ____ (ft) Domestic service water line ____ (ft) Drinking water intake from a surface water source ____ (ft) Perennial or intermittent stream ____ (ft) Lake, reservoir, or canal ____ (ft) Pond or other water feature ____ (ft) Swimming pool ____ (ft) Planned building ____ (ft) Existing building ____ (ft)

Boundary of 100-year flood hazard zone ____ (ft) ____ Drainage easement or wash with drainage area more than twenty acres ____ (ft) ____ Other Easement ____ (ft) ____ Downslope cut banks and culvert or roadway ditches ____ (ft)

Planned cut bank over 2 feet deep ____ (ft) Wall or planned wall over 2 feet high ____ (ft) Driveway or parking area ____ (ft) Storage Area ____ (ft) ____ Earth fissure _____ (ft)

____ Other ____ (ft) Describe: ___________________________

Minimum setback distances are within the limits specified in R18-9-A312(C); Yes UNKNOWN No Check UNKNOWN if the dwelling location or size (including building footprint, bedroom count & fixture unit count), or the location of other improvements is not known to the person performing the site investigation.

Show all soil test locations. Show any condition or feature observed during the site investigation which may affect on-site system design & is located within the SITE INVESTIGATION AREA (defined as the planned excavation boundaries for the treatment works, primary disposal area and reserve disposal area plus the surrounding area out to 100 feet) including :

(1) Show land surface contours at appropriate intervals when the elevations across the Site Investigation Area differ by more than 5 feet, and

(2) Any other factor is observed that may affect system design regardless of property ownership (please include the

Site Investigation Map with Attachment 4 if the information cannot be depicted on the below Grid).

SEE PLANS

>10

X >5

>10

NA >100

X x >10

>5NA

(REV. NOVEMBER 20, 2015) PAGE 3 OF 3

DOWNLOAD THE LATEST UPDATE OF THIS FORM FROM THE ADEQ WEBSITE AT

http://www.azdeq.gov/environ/water/permits/download/investigation.pdf

8 Subsurface Limiting Conditions [A.A.C. R18-9-A310(D)(2)] Identify the presence or absence of all of the following possible limiting conditions in the intended location of the primary and reserve disposal areas of the on-site wastewater treatment facility to a depth of at least 12 feet below land surface or to an impervious soil or rock layer if encountered at a shallower depth:

A) The soil absorption rate determined under A.A.C. R18-9-A312(D)(2) is:

1. More than 1.20 gallons per day per square foot? Yes No

2. Less than 0.20 gallons per day per square foot? Yes No

3. A site-specific soil absorption rate (SAR) is required per A.A.C. R18-9-A312 (D)(2)(b)? Yes No

B) The vertical separation distance from the bottom of the lowest point of the disposal works to the seasonal high water table is less than the minimum vertical separation specified in A.A.C. R18-9-A312(E)(1)? Yes No

C) Does seasonal saturation occur within surface soils that could affect the performance of the on-site wastewater treatment facility? Yes No If Yes, describe evidence:

D) Do any of the following subsurface limiting conditions that may cause or contribute to surfacing of wastewater occur within 12 feet of the land surface:

1. An impervious soil or rock layer? Yes No

2. A zone of saturation that substantially limits downward percolation from the disposal works? Yes No

3. Soil with more than 50 percent rock fragments? Yes No

E) Do any of the following subsurface limiting conditions that may promote accelerated downward movement of insufficiently treated wastewater occur within 12 feet of the land surface:

1. Fractures or joints in rock that are open, continuous, or interconnected? Yes No

2. Karst voids or channels? Yes No

3. Highly permeable materials such as deposits of cobbles or boulders? Yes No

F) Does subsurface conditions exist that may convey wastewater to a Water of the State and cause or contribute to an exceedance of a water quality standard established in 18 A.A.C. 11, Articles 1 and 4? Yes No

G) Depth to groundwater below land surface ________ feet as determined by Trench or boring, Subdivision report, Published groundwater data or Relevant well data.

If the answer is Yes to any of the above subsurface limiting conditions, please show location and note the associated limiting condition type on Site Investigation Map (Item 7).

9 Site Investigation Attachments # Attachment Description Attached?

Yes, total of _____ pages.

10 Investigator Certification A) Arizona-registered Professional engineer Certification Number: Expiration Date:

B) Arizona-registered Professional geologist Certification Number: Expiration Date:

C) Arizona-registered Sanitarian Registration Number: Expiration Date:

D) A certificate of training from a course recognized by ADEQ

Course Name: Completion Date:

E) Qualifies under another category designated in writing by ADEQ. Please use Attachment 4 to provide approved Qualification Category & Date Approved.

Professional Seal

By signing this section, I certify that I am qualified to conduct this investigation as specified in R18-9-A310(H) and have inspected the property identified in Item 3 for purposes of performing a site investigation. I have performed this site investigation in accordance with R18-9-A310 and have completed this investigation to the best of my knowledge.

Printed Investigator Name/ Date of Investigation:

Investigator Signature/ Date Signed

1 ASTM 5921 1

76216 9/30/25

JACOB FLEETWOOD P.E. 3/27/23

Jacob Fleetwood Digitally signed by Jacob Fleetwood Date: 2023.04.04 19:45:52 -07'00'

4/4/23

ADEQ GWS FORM 423 ATTACHMENT 1

(REV. NOVEMBER 20, 2015) PAGE 1 OF ___

DOWNLOAD THE LATEST UPDATE OF THIS FORM FROM THE ADEQ WEBSITE AT

http://www.azdeq.gov/environ/water/permits/download/investigation.pdf

ATTACHMENT 1 –ASTM 5921 METHOD FOR SUBSURFACE SOIL CHARACTERIZATION

Facility Address: Parcel Number:

Tested by: Depth to Groundwater: PLEASE REPORT IN ITEM 8.G Date Test Completed:

Test Hole #

Depth Interval Below Land Surface (Inches)

Texture Structure Rock Fragments %

Mottles % Boundary Dry Consistency

Moist Consistency

SAR

Comments: Professional Seal

Test ____ Test ____ Test ____ Test ____

SOUTH SEPTIC SYSTEM

JACOB FLEETWOOD

3/27/23

1 0-12 SCL 2BK 5 F C SH VFR 0.4

13-68 SL/CEM MGR 10 F C MH VFR 0.6

69-144 SL MGR 10 F C MH FR 0.6

2 0-12 SCL 2BK 5 F C SH VFR 0.4

13-70 SL/CEM MGR 10 F C MH VFR 0.6

71-144 SL MGR 10 F C MH FR 0.6

3 0-12 SCL 2BK 5 F C SH VFR 0.4

13-71 SL/CEM MGR 10 F C MH VFR 0.6

72-144 SL MGR 10 F C MH FR 0.6

12661 E BROADWAY BL 205-57-016C

EXISTING

BLM BLGD

6 BDRM SFR

EDUCATIONAL

FACILITIES

EXISTING

BLM

FIRE O

PERATIO

NS O

FFICES

Parking Shade

1309.8'

1306.8'

1303.5'

1299.8'

DRIVEW

AYD

IVEW

DRIVEW

EXISTING

BLM BLGD

PARKING

FOR GREATER DETAIL SEE SHEET 2

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WATER SERVICE LINE

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TH#3

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TH#2

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TH#1

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WATER MAIN TAP 450' AWAY @ 8TH ST & CODORNIZ AVE

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330 W GOLF VIEW DR. ORO VALLEY, AZ 85737

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CONVENTIONAL SEPTIC SYSTEM

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SHEET 1 OF 4

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OVERALL SITE PLAN

EDUCATIONAL

FACILITIES

DRIVEW

PARKING

DRAINFIELD TRENCHES

(2) 68 FT TRENCHES EACH WITH (17) INFILTRATOR

QUICK-4 HIGH CAPACITY CHAMBERS

FOR A TOTAL OF 34 CHAMBERS

ABANDON EXISTING SEPTIC TANK.

SOIL TEST HOLE LOCATIONS

TH #1

DISTRIBUTION BOX4

2 ABANDON EXISTING LEACHFIELD

1250 GAL TRAFFIC RATED SEPTIC

TANK WITH FILTER

6 RESERVE FIELD

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330 W GOLF VIEW DR. ORO VALLEY, AZ 85737

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CONVENTIONAL SEPTIC SYSTEM

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SHEET 2 OF 4

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Inspection Pipe at the end of each trench

Native soil backfill to grade

Design Flow: _____ STAFF * 20 GPD/STAFF = 240 GPD Design Flow: _____ STUDENT * 5 GPD/STUDENT = 325 GPD Design Flow = _____ GPD

SAR (ASTM Method) = ____ gpd/sf

Disposal Area Req'd = Design Flow / SAR = _____ / ____ = ____ sf

Effective Area of each Chamber = 28.38 sf

Number of Chambers = Disposal Area Req'd / Chamber Area = _____ / _____ = _____ Chambers

Actual Number of Chambers _____

Actual Effective Area = ____ Chambers x 28.38 sf = ____________SF

Infiltrator Quick-4 Chamber (H.C)

System Design

Trench Detail (Typical)

12"-96"

0.6

565 0.6 941.6

941.6 28.38 33.1

34 964.92

Top of chamber requires a minimum bury depth of 12" and a maximum bury depth of 8'.

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NTS

TRENCH DETAIL & SYSTEM DESIGN

Estimated Septic System Materials List No. Item Material Size Quantity

_________1

Chambers Infiltrator, Quick 4 4' L x 3'W2

Perforated Pipe PVC, SDR-35 3" or 4" 3

Pipe PVC, SDR-35 3" or 4"4

D-Box Concrete or Fiberglass _________5

Cleanouts PVC6

Inspection Pipe PVC 4" pipe

Chamber Caps Infiltrator

__________ _________12

3" or 4"

Septic Tank shall meet all requirements from AAC R18-9-A314

1250 GAL

TRAFFIC RATED

Septic Tank w/ Filter

Concrete or Poly

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ESTIMATED MATERIALS LIST