_Addendum 1.pdf

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RFB 403-Red Hill Water Treatment Plant - Upgrades
Solicitation number
34597
Issued by
Charlottesville City, Virginia

About this file

This document is an Addendum to an Invitation for Bids (IFB) issued by the Rivanna Water and Sewer Authority for the Red Hill Water Treatment Plant - Upgrades project in Albemarle County, Virginia. The project includes building construction, process piping, electrical, and mechanical work. Key details include:

The Bid opening date has been changed to December 21, 2023 at 10:00 a.m. The addendum includes revisions to specifications, drawings, and other contract documents. Specification changes include updates to Section 32 31 13 Chain Link Fences and Gates, Section 40 23 30 Valves and Accessories, and Section 43 23 00 Centrifugal Pumps. Drawing revisions are provided for the Site Plan, Civil Details, Foundation Plan, Power Plan, Domestic Water/Gas/Sanitary Floor Plans, Plumbing Details/Schedules, and Plumbing Riser Diagrams. A pre-bid meeting was held on October 26, 2023 and the sign-in sheet and pre-bid presentation are attached.

The contract will be awarded to the lowest responsive and responsible bidder. No specific pricing terms, set asides, or incumbent contractor details are provided. Funding for the project is from the Rivanna Water and Sewer Authority, though the specific funding source and amount are not disclosed.

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Addendum

RIVAN 168434 00 00 11 - 1

DOCUMENT 00 00 11

ADDENDUM NO. 1

November 21, 2023

Red Hill Water Treatment Plant - Upgrades

IFB No. 403 Rivanna Sewer & Water Authority

Albemarle County, Virginia

SEH No. RIVAN 168434

From: Short Elliott Hendrickson Inc.

615 9th Street North Virginia, MN 55792-3761 218.741.4284

To: Document Holders

DOCUMENT HOLDERS on the above-named project are hereby notified that this document shall be appended to, take precedence over and become part of the original bidding documents dated September 28, 2023, for this work. Bids submitted for the construction of this work shall conform to this document.

This addendum consists of 3 pages and attached Pre-Bid PowerPoint Presentation (12 pages), Pre-bid Sing-in Sheet (1 page), Construction Form RA-1 Invitation for Bids (1 page), Section 32 31 13 - Chain Link Fences and Gates, Section 40 23 30 Valves and Accessories, and 43 23 00 Centrifugal Pumps, Drawings C03 Site Plan, C04 Civil Details, S110 Foundation Plan, E201 Power Plan, M201 - Domestic Water, Gas, and Sanitary Floor Plans, M401 - Plumbing Details and Schedules, M501 - Plumbing Riser Diagrams, P070 Removals Plan, P101 Building Plan, and P501 Chemical Feed Systems.

Note: Bid opening has been changed to December 21, 2023 at 10:00 a.m.

Pre-Bid Conference

1. A pre-bid meeting was held on October 26, 2023. The sign-in sheet for the conference is attached. The comments or questions from the conference, where applicable are addressed in this addendum.

2. A photo presentation was shared during the pre-bid conference. This photo presentation is attached.

Changes to Bidding Requirements:

3. Construction Form RA-1 Invitation for Bids, DELETE in its entirety and REPLACE with attached new Form

RA-1.

Bid opening has been changed to December 21, 2023 at 10:00 a.m.

Changes to Specifications:

4. Section 32 31 13 Chain Link Fences and Gates, ADD new section in its entirety.

5. Section 40 23 10 Process Water and Waste Piping, 2.09, DELETE in its entirety.

6. Section 40 23 30 Valves and Accessories, replace in its entirety with the attached Revised Section 40 23 30 Valves and Accessories.

7. Section 40 90 00 Control System Functional Descriptions, 1.03.A, ADD the following lines to the end of the table:

FS-WT-1 – Waste Storage Tank High Level Add Alarm on SCADA PT-GAC-1 – GAC Filter Differential High Alarm Add Alarm on SCADA

00 00 11 - 2 RIVAN 168434

8. Section 46 61 21 Granular Activated Carbon Pressure Filters, 2.01.B, DELETE the table in its entirety and replace with the following:

Criteria Observatory WTP Design Flow per GAC Contactor 23 gallons per minute Number of GAC Contactors 1 Design Empty Bed Contact Time (EBCT) at Design Flowrate 21 minutes Total Vessel Volume 105ft^3 Total GAC Capacity 73ft^3 Total vessel height 96-3/8” Side shell height 60” Pressure Vessel Diameter 56” Maximum Pressure Drop across Vessel System including face piping at the design flowrate 8 psi

Minimum Water Temperature 33 degrees F Maximum Water Temperature 83 degrees F

9. Section 43 23 00 Process Valves and Accessories, replace in its entirety with the attached Revised Section 43 23 00 Process Valves and Accessories.

10. Section 46 61 21 Granular Activated Carbon Pressure Filters, 2.02.O:FLOW METERS

O. Flow Meters 1: GAC Effluent Flow Meter

a. Quantity: 1

b. Size: 4”

c. Manufacturer: Krohne Optiflux 2100

d. Connection Type: Flanged

e. Provide wall mounted transmitter and connect to plant PLC

f. Electrical Equipment Tag No.: FM-RW/FE-RW

2. GAC Backwash Supply Flow Meter

a. Quantity: 1

b. Size: 4”

c. Manufacturer: Krohne Optiflux 2100

d. Connection Type: Flanged

e. Provide wall mounted transmitter and connect to plant PLC

f. Electrical Equipment Tag No.: FM-BW/FE-BW

Changes to Drawings:

11. Drawing C03 Site Plan, DELETE in its entirety and REPLACE with attached new Drawing No. C03.

12. Drawing C04 Civil Details, DELETE in its entirety and REPLACE with attached new Drawing No. C04.

13. Drawing C05 Civil Details, Detail 1/C05, DELETE 24’-0”.

14. Drawing S110 Foundation Plan, DELETE in its entirety and REPLACE with attached new Drawing No. S110.

15. Drawing E201 Power Plan, DELETE in its entirety and REPLACE with attached new Drawing No. E201 Power Plan

16. Drawing M101 Mechanical HVAC and Roof Plans, Detail 2/M101, Add the following item to the Notes list:

5. Detail applies to generator pad, propane tank pad, and HP-1.

17. Drawing M201 - Domestic Water, Gas, and Sanitary Floor Plans, DELETE in its entirety and REPLACE with attached new Drawing No. M201 - Domestic Water, Gas, and Sanitary Floor Plans.

18. Drawing M401 - Plumbing Details and Schedules, DELETE in its entirety and REPLACE with attached new Drawing No. M401 - Plumbing Details and Schedules.

RIVAN 168434 00 00 11 - 3

19. Drawing M501 - Plumbing Riser Diagrams, DELETE in its entirety and REPLACE with attached new Drawing No. M501 - Plumbing Riser Diagrams.

20. Drawing P070 Removals Plan, DELETE in its entirety and REPLACE with attached new Drawing No. P070.

21. Drawing P101 Building Plan, DELETE in its entirety and REPLACE with attached new Drawing No. P101.

22. Drawing P501 Chemical Feed Systems, DELETE in its entirety and REPLACE with attached new Drawing No. P501.

Note: Receipt of this Addendum No. 1, dated November 21, 2023 shall be acknowledged on Page 00 41 00-2 of the submitted Bid Form. Failure to do so may subject Bidder to disqualification.

END OF ADDENDUM

IFB No. 403

Pre Bid Meeting Photo Presentation

Rivanna Water & Sewer Authority

Red Hill Water Treatment Plant Upgrades

Project Location

Building a Better World for All of Us®

Project Location:

2885 Monacan Trail Road

Project Location

Project Location:

110 Lambs Ln

Charlottesville, VA 22901

Project Location:

Red Hill WTP

Exterior – North Side

Exterior – South Side

Exterior – West Side

Exterior – North and East Sides

Exterior – Ex. Gate

Interior – North Wall

Interior – East Wall

Interior – South Wall

Interior – West Wall

PREBID CONFERENCE SIGN-IN

Albemarle County, VA

Rivanna Water & Sewer Authority IFB No. 403

SEH Project No. 168434 10:00 AM October 26, 2023

No. Name Affiliation 1 Brad Weiss SEH 2 Santino Granato RWSA 3 Scott Schiller RWSA 4 John Thornton MEB 5 Blake Begley Morgan Contracting 6 Matt Harrison Sherwood Logan 7 Jason Tucker Rudy L Hawkins Electrical

Form RA-1: Invitation for Bid – Updated per Addendum No. 1

INVITATION FOR BIDS

(Construction Form RA-1)

Rivanna Water and Sewer Authority Rivanna Solid Waste Authority Charlottesville, VA

Charlottesville, Virginia

IFB NO: 403

Due Date for Bids: December 21, 2023 at 10:00AM

Short Elliot Hendrickson Inc.

400 Locust Avenue, Suite 2 Charlottesville, VA 22902

DATE: September 28, 2023

Added Per Addendum No. 1 Chain Link Fences and Gates

RIVAN 168434 32 31 13 - 1

SECTION 32 31 13

CHAIN LINK FENCES AND GATES

PART 1 GENERAL

1.01 SUMMARY

A. Furnish and install steel fencing, posts, gates, etc., where shown on the Drawings and in compliance with these Specifications.

B. Fencing shall be of the chain link type topped with barbed wire.

C. Related Sections:

1. Section 03 30 00 - Cast-in-Place Concrete

2. Section 31 22 10 - Site Grading

1.02 MATERIALS AND CONSTRUCTION

A. Fencing shall be of the chain link type topped with barbed wire.

B. The fabric shall clear the final grade by 3 inches, and shall be topped with three strands of barbed wire.

C. The barbed wire shall be angled outward at the top.

D. All components which are to be galvanized shall be hot dipped galvanized, coating to be 1.8 ounces per square foot of surface.

E. Alternate coatings which employ a zinc coating of less than 1.8 ounces per square foot are not acceptable.

F. Fencing shall be PVC coated: Black.

G. Fence posts, rails and all fixtures and appurtenances shall be black.

H. Swing gate.

I. Fence accessories.

1.03 REFERENCES

A. Without limiting the generality of the other requirements of the Specifications, all work herein shall conform to the applicable requirements of the following documents. All referenced Specifications, codes, and standards refer to the most current issue available at the time of Bid.

B. ASTM:

1. A121 - Metallic Coated Carbon Steel Barbed Wire

2. A123 - Hot Dip Galvanized Coatings on Iron and Steel Products

3. A153 - Hot Dip Zinc Coating on Iron and Steel Hardware

4. A181 - Carbon Steel Forgings for Piping

5. A390 - Hot Dip Galvanized Steel Poultry Fence Fabric

6. A491 - Aluminum-Coated Steel Chain Link Fence Fabric

7. A780 - Repair of Damaged and Uncoated Areas of Hot Dip Galvanized Coatings

8. A817 - Metallic Coated Steel Wire for Chain Link Fence Fabric

9. A824 - Metallic Coated Steel Tension Wire for Chain Link Fence

10. C33 - Concrete Aggregates

Chain Link Fences and Gates Added per Addendum No. 1

32 31 13 - 2 RIVAN 168434

11. C150 - Portland Cement

12. F567 - Installation of Chain Link Fence

13. F626 - Fence Fittings

14. F668 - PVC Coated Steel Chain Link Fence Fabric

15. F900 - Industrial Swing Gates

16. F1043 - Strength and Protective Coatings on Chain Link Fence Framework

17. F1083 - Pipe, Steel, Hot-Dipped Galvanized Welded for Fence Structures

18. F1184 - Industrial and Commercial Horizontal Slide Gates

1.04 SUBMITTALS

A. Product Data: Submit manufacturer’s technical data, finishes, dimensions of individual components and profiles, and installation instructions for fencing, fabric, gates, and accessories.

B. Shop Drawings:

1. Show locations of fences, roller gates and swing gates, posts, rails, tension wires, details of extended posts, extension arms, gate swing, hardware, and accessories.

2. Indicate materials, dimensions, sizes, weights, and finishes of components.

3. Include plans, gate elevations, sections, details of post anchorage, attachment, bracing, and other required installation and operational clearances.

C. Samples: 6-inch length of fabric wire for verification and selection of PVC color.

D. Product Certificates: For each type of chain-link fence and gate, signed by product manufacturer.

E. Testing: Strength test results for framing per ASTM F1043.

1.05 QUALITY ASSURANCE

A. Provide chain link fences, gates as complete units by single source including necessary erection accessories, fittings, and fastenings.

PART 2 PRODUCTS

2.01 MANUFACTURERS

A. Available Manufacturers: Subject to compliance with requirements, manufacturers offering galvanize steel fencing and fabric which may be incorporated in Work include:

1. Allied Tube and Conduit Corporation

2. American Fence Corporation

3. Ameristar Fence Products

4. Anchor Fence, Inc.

5. Cyclone Fence/United States Steel Corporation

6. Merchants Metals, Inc. www.merchantsmetals.com

7. Tymetal www.tymetal.com

8. Manufacturer of comparable products submitted in compliance with Section 01 25 13.

2.02 CHAIN LINK FABRIC

A. Fabric shall be 6 gauge aluminum coated core wire galvanized conforming to ASTM A641.

B. Fabric shall be woven after PVC coating of black color.

C. Top selvage shall have a twisted, barbed finish.

D. Bottom selvage shall have upturned, or returned, finish.

E. Minimum weight of coating shall be 0.40 ounce per square foot of wire surface.

http://www.merchantsmetals.com/ http://www.tymetal.com/

RIVAN 168434 32 31 13 - 3

F. The coated wire shall have a minimum tensile strength of 80,000 lbs. per square inch.

G. Install fabric at ground level.

H. Fence shall be stretched tight and securely fastened to posts at points spaced no greater than 12 inches apart maximum.

2.03 FRAMING AND ACCESSORIES

A. Dimensions: Pipe, roll-formed, H-sections are outside dimensions, exclusive of coatings.

B. Steel Framework:

1. Hot-dipped galvanized steel, ASTM F1083, not less than 1.8 ounce zinc per square foot of surface.

2. All framework shall be PVC coated with minimum 0.40 ounce per sq.ft of member.

C. Fittings and Accessories: Galvanized, ASTM F626.

D. Posts

1. Posts and rails shall be galvanized standard weight pipe conforming to the requirements of ASTM F1083.

a. Line Posts: Line posts shall be Schedule 40, 2-3/8 inch O.D. galvanized pipe with minimum bending strength of 201 pounds under a 6-foot cantilever load. Line posts shall be spaced at a maximum 10-foot O.C.

b. Terminal Posts: All end, corner, intermediate, and pull posts and gate leaves 6'-0" wide and less shall be 2-7/8 inch O.D. galvanized Schedule 40 pipe with minimum bending strength of 381 pounds on 6-foot cantilever load. Gate posts for gate leaves shall be Schedule 40 pipe complying with ASTM F1083 of diameters as follows:

Gate Leaf Width Pipe O.D. Weight per Ft.

0’ to 6’ 2-7/8” 5.79 lbs Over 6’ to 13’ 4” 9.1 lbs

Over 13’ to 18’ 6-5/8” 18.97 lbs Over 18’ 8-5/8” 24.7 lbs

E. Tension Wire:

1. Top and bottom tension wire shall be No. 7 gauge aluminum coated steel wire. Fabric shall be securely tied to tension wire at intervals not to exceed 24-inches.

F. Post tops and barbed wire support:

1. Gate, end, corner and line post tops shall be malleable iron or pressed steel and shall be hot dipped galvanized conforming to ASTM A153.

2. Extension arms for supporting the three (3) strands of barbed wire for line posts shall be of pressed steel with malleable iron base, or solid aluminum alloy castings.

3. Angles for line post extension arms shall be approximately 45 degrees from the vertical and the top slot for barbed wire shall be a minimum of 12 inches above the fabric and a minimum of 10 inches from the fence line.

G. End, Corner, Pull Posts: Minimum sizes and weights as follows:

1. Up to 6 feet fabric height, 2.375-inch outside diameter steel pipe, 3.65 pounds per lineal foot, or

3.5 inch by 3.5 inch roll-formed sections, 4.85 pounds per lineal foot.

2. Over 6 feet fabric height, 2.875-inch outside diameter steel pipe, 5.79 pounds per lineal foot, or

3.5 inch by 3.5 inch roll-formed sections, 4.85 pounds per lineal foot.

H. Barbed Wire:

1. Barbed wire shall consist of three strands of 12-1/2 gauge aluminum coated steel wire with 4-point barbs of 14 gauge aluminum wire spaced 5 inches apart, conforming to ASTM A585.

32 31 13 - 4 RIVAN 168434

2. Additional strands of barbed wire shall be added beneath the chain link fabric at all ditch crossings to maintain the security of the fence installation.

I. Braces and Top Rails:

1. Braces and top rails (where shown on the Drawings) shall be 1.66-inch O.D., Schedule 40 galvanized pipe with minimum vertical bending strength of 202 pounds on 10-foot span.

2. Top rails shall be continuous and shall pass through the post tops. The coupling used to join the top rail lengths shall allow for expansion. Brace rails shall be provided at all terminal posts, located between the top and grade lines and extend from the terminal post to the first adjacent post. Braces shall be securely fastened at both ends. Brace ends for receiving brace rails shall be malleable iron or castings of 356.0 (formerly SG70A) alloy, or equivalent of ASTM B26 or B108.

3. Truss and stretcher bands shall be 1/8-inch x 7/8-inch pressed steel, supplied with carriage bolts and nuts. Bolts shall be 5/16-inch by 1¼ inch. Truss rods shall be 3/8-inch nominal diameter.

J. Fabric Ties:

1. Wire ties shall be preformed 0.148-inch diameter (9 gauge) aluminum. Flat band type ties shall be 1100-H18 or 3003-H14, .064-inch thick by 1/2-inch wide.

2. Hog rings for attaching tension wire to fabric shall be 0.105-inch diameter, Alloy 1100-H14.

K. Gates:

1. Gate frames shall be made of 2-inch O.D. ASTM F1083 pipe, 2.72 lbs. per foot hot dipped galvanized. Fabric shall match fence. Gate frames shall be welded or assembled with riveted corner castings. Gate frames shall be equipped with 3/8-inch diameter adjustable truss bars.

Hinges shall be ball and socket.

2. Gate shall be equipped with positive latching device with provision for padlocking. Personnel gates shall be minimum 36-inch clear opening.

3. Sliding gates

a. Sliding gates shall be cantilever type of the same height as adjacent fence.

b. Gate shall be furnished as a complete system inclusive of opener, card reader pedestal, and exit loop.

c. Gate operators shall be heavy duty rated for high frequency installation.

d. Shall be powered from Panelboard PP-1 as shown on Sheet 01E501.

e. Design intent is that gate shall open/close as follows:

1) Card reader/security panel shall open gate when card is presented at pedestal reader

2) Exit loop detector shall open the gate automatically as a vehicle approaches

3) The gate shall close automatically after an adjustable 0-3 minute time delay. Field verify location of loop detector with Owner/Engineer in the field.

4. Card Reader Pedestal

a. Contractor shall furnish and install conduit and pedestal for card reader installation

b. Card reader installation and wiring shall be by the Owner.

L. Concrete:

1. All concrete shall be 3000 psi in conformance with Section 03 30 00.

PART 3 EXECUTION

3.01 PREPARATION

A. Examine areas and conditions, with installer present, for compliance with requirements for a verified survey of property lines and legal boundaries, Site clearing, earthwork, pavement work, and other conditions affecting performance.

1. Do not begin installation before final grading is completed, unless otherwise permitted by

Engineer.

2. Proceed with installation only after unsatisfactory conditions have been corrected.

RIVAN 168434 32 31 13 - 5

3.02 INSTALLATION

A. General:

1. Install chain-link fencing to comply with ASTM F567 and more stringent requirements specified.

2. Install fencing on established boundary lines inside property line.

B. Excavation:

1. Drill or hand excavate (using post hole digger) holes for posts to diameters and spacings indicated, in firm, undisturbed or compacted soil.

2. If not indicated on Drawings, excavate holes for each post to minimum diameter recommended by fence manufacturer, but at least 4 times largest cross-section of post.

3. Unless otherwise indicated, excavate hole depths approximately 3 inches lower than post bottom, with bottom of posts set at least 36 inches below finish grade surface.

C. Setting Posts:

1. Center and align posts in holes 3 inches above bottom of excavation.

2. Place concrete around posts, vibrate or tamp for consolidation.

3. Check for vertical and top alignment, hold in position during placement and finishing operations.

4. Unless otherwise indicated, extend concrete footings 2 inches above grade, trowel to crown to shed water.

D. Top Rails:

1. Run rail continuously through post caps, bending to radius for curved runs.

2. Provide expansion couplings as recommended by fencing manufacturer.

E. Brace Assemblies: Install braces so posts are plumb when diagonal rod is under proper tension.

F. Fabric:

1. Leave approximately 3 inches between finish grade and bottom selvage, unless otherwise indicated.

2. Pull fabric taut and tie to posts, rails, tension wires.

3. Install on security side of fence, anchor to framework so that fabric remains in tension after pulling force released.

4. Cantilevered gate fabric: Install using hook bolts inserted through pre-drilled holes in the frame, 15 inches on center and all 4 sides of the gate. Attach fabric with tension bar laced through last link of the fabric.

G. Tension Bars: Thread through or clamp to fabric 4 inches on center, secure to posts with metal bands spaced 15 inches on center.

H. Barbed Wire: Pull wire taut, install securely to extension arms, secure to end post or terminal arms in accordance with manufacturer’s instructions.

I. Tie Wires:

1. Use U-shaped wire, conforming to diameter of pipe to which attached, clasping pipe and fabric firmly with ends twisted at least 2 full turns.

2. Bend ends of wire to minimize hazard to persons or clothing.

3. Tie fabric to line posts, with wire ties spaced 12 inches on center.

4. Tie fabric to rails and braces, with wire ties spaced 24 inches on center.

5. Tie fabric to tension wires, with hog rings spaced 24 inches on center.

J. Fasteners:

1. Install nuts for tension bands and hardware bolts on side of fence opposite fabric side.

2. Peen ends of bolts or score threads to prevent removal of nuts.

K. Gates:

1. Install plumb, level, secure for full opening without interference.

2. Install ground-set items in concrete for anchorage.

3. Adjust hardware for smooth operation, lubricate where necessary.

32 31 13 - 6 RIVAN 168434

3.03 POST FOUNDATIONS

A. Post holes shall be in true alignment and of sufficient size to provide a permanent foundation of concrete. Holes shall be well centered on the posts. A minimum diameter of 12 inches shall be required for all posts.

B. Post foundations shall be carefully rodded or tamped into place. The top of concrete shall extend 2 inches above ground line and shall be neatly troweled and leveled up from edges to the posts so as to have a pitch outward in all directions.

C. No materials shall be installed on the posts, nor shall any load be applied to the posts within 3 days after the individual post foundation is completed.

3.04 RESETTING OF EXISTING FENCE

A. Where shown on the Drawings that resetting of existing fence is required, the fence, after resetting, shall be in a condition that is equal to or better than before the fence was removed.

B. The Contractor shall replace any of the fence components which have been unnecessarily damaged by him.

3.05 PADLOCK AND KEYS

A. Padlocks and keys shall be provided by Owner..

3.06 ADJUSTING

A. Adjust gate to operate smoothly, easily, and quietly, free of binding, warp, excessive deflection, distortion, nonalignment, misplacement, disruption, or malfunction, throughout entire operational range.

B. Confirm latches and locks engage accurately and securely without forcing or binding.

C. Lubricate hardware.

3.07 CLEANING

A. Site:

1. Do not allow accumulation of scraps, debris arising from Work of this Section.

2. Maintain premises in neat, orderly condition.

B. System:

1. Immediately after erection, clean field welds, bolted connections, and abraded areas.

2. Refinish exposed or abraded areas with same material used for shop finishing to comply with

SSPC-PA 1 for touching up shop-finished surfaces.

3. Comply with ASTM A780 for repair of damaged hot dip galvanized coating.

3.08 TEMPORARY FENCING

A. The Contractor shall furnish and install all temporary fencing and appurtenances as shown on the Drawings or as required during construction to adequately secure the site prior to installation of the permanent fence.

3.09 DEMONSTRATION

A. Maintenance Instructions: Manufacturer’s representative to schedule and attend meeting with Owner’s representative to explain:

1. Maintenance and care instructions.

RIVAN 168434 32 31 13 - 7

2. Recommended maintenance program.

3. Warranty requirements.

END OF SECTION

Revised Per Addendum 1 Process Valves and Accessories

RIVAN 168434 40 23 30 - 1

SECTION 40 23 30

PROCESS VALVES AND ACCESSORIES

1.01 SUMMARY

A. Section Includes:

1. Furnish and install all valves, complete with all assemblies and accessories, as specified herein at locations shown on the Drawings including all fittings, appurtenances and transition elements required for a complete and operable installation.

2. Relocation of the filter function valve actuators from the upper filter operating floor to be directly mounted on the corresponding filter function valve located in the lower level pipe gallery. This work includes removal of all floorstands, extension shafts and shaft supports. Six (6) valves total.

3. Except where noted otherwise, all valves shall conform to pertinent sections of the latest revision of AWWA C500 Specifications.

4. All quantities of valves provided within each valve type specified below, shall be supplied from the same manufacturer.

B. General Products Specified Herein

1. Air/Vacuum Valves

2. Gate Valves

3. Ball Valves

4. Solenoid Valves

5. Static Mixers

6. Miscellaneous process piping items.

C. Related Sections:

1. Supplementary Conditions of the Contract, General Conditions of the Contract and Division 1 Sections apply to the Work of this Section.

2. Site and Infrastructure Subgroup.

3. Section 09 97 20 - Coating Systems for Industrial Facilities.

4. Division 22.

5. Division 26.

6. Division 40.

1.02 REFERENCES

A. AWWA:

1. C508 - Swing-Check Valves for Waterworks Service, 2-Inch Through 24 Inch

2. C509/C515 - Resilient-Seated Gate Valves

3. C512 - Air Release, Air/Vacuum, and Combination Air Valves for Waterworks Service

1.03 SUBMITTALS

A. Comply with Section 01 33 00.

B. Submit Product Data which includes the following for each item furnished:

1. Manufacturer and model.

2. Component materials.

3. Dimensions.

C. Provide Operation and Maintenance manuals in accordance with Section 01 78 23.

Process Valves and Accessories Revised Per Addendum 1

40 23 30 - 2 RIVAN 168434

1.04 QUALITY ASSURANCE

A. The materials used in this work shall be new and conform to the requirements of this Section.

B. Refer to Section 09 97 20 for requirements for surface preparation, priming and finish coatings.

2.01 MATERIAL

A. Size, joint type and body material of the valves shall correspond to the size, joint type and material of the adjacent piping, unless otherwise stated on the Contract Drawings and specifications.

2.02 AUTOMATIC HYDROPNEUMATIC TANK PRESSURE RELEASE VALVES

A. Approved Manufacturers:

1. Watts

2. Or approved equal

B. Provide pressure release valves where called for in the plans.

C. Conditions of Service:

1. Application: Air

2. Connection Size: 3/4” – Field verify existing

3. Maximum pressure: 300 PSI

4. Factory set pressure 125 PSI

5. Material: Brass

6. Operation: Automatic

7. Approved for use on ASME certified tank

D. All valves shall be furnished and installed with inlet shutoff ball valves unless specifically called out different in the plans.

E. Route discharge to exterior of building. 1-inch copper pipe routed through exterior wall above CMU.

Seal penetration weathertight. Install 20-mesh stainless steel screen on end of discharge pipe..

2.03 AUTOMATIC HYDROPNEUMATIC TANK PRESSURE RELEASE VALVES WITH PULL RING

1. Milton

2. Watts

3. Or approved equal

B. Provide pressure release valves where called for in the plans.

2. Connection Size: 1/2” – Field verify existing

3. Maximum pressure: 300 PSI

4. Factory set pressure 110 PSI

5. Material: Brass

6. Operation: Automatic. Pull ring for manual testing

7. Approved for use on ASME certified tank

D. All valves shall be furnished and installed with inlet shutoff ball valves unless specifically called out different in the plans.

RIVAN 168434 40 23 30 - 3

E. Route discharge to exterior of building. 0.75-inch copper pipe routed through exterior wall above CMU. Seal penetration weathertight. Install 20-mesh stainless steel screen on end of discharge pipe.

2.04 HYDROPNEUMATIC TANK VACUUM BREAKER VALVE

1. Warren Controls

2. Or approved equal

B. Provide vacuum relief valve where called for in the plans.

2. Connection Size: 4” Flange– Field verify existing

3. Material: stainless steel body and seat

4. Maximum pressure: 150PSI

5. Operation: Automatic

6. Approved for use on ASME certified tank

2.05 BALL VALVES

A. Lead free bronze ball valves:

1. Two piece body

2. Stainless steel ball

3. Teflon seats and stuffing box ring

4. Blow-out proof stem

5. Level handle with balancing stops.

6. FPT threaded ends for connection with threaded steel process pipe.

2.06 0STATIC MIXERS

A. Contractor shall furnish and install a static mixer in the process piping upstream of the hydroneumatic tank.

B. Approved Manufacturers:

1. Koflo

2. Equal Pre-approved by Engineer

C. Quantity: 1

D. Size: 2-inch Diameter

E. Design

1. Water flow range: 10 gpm to 50 gpm

2. No. of mixing elements: 6

3. Material: 316 SS

4. End Connection: Threaded male NPT

F. Miscellaneous

1. Contractor shall furnish and install unions on both ends of the static mixer to facilitate installation/removal of the static mixer

2. Contractor shall furnish a piece of threaded steel pipe of the same length as the static mixer to be installed in the process pipe in the event the static mixer is removed.

Process Valves and Accessories Revised Per Addendum 1

40 23 30 - 4 RIVAN 168434

PART 3 EXECUTION

3.01 EXAMINATION

A. Inspect all material and equipment as it is received to determine damage and/or missing parts. Repair or replace damaged items in accordance with manufacturers’ instructions.

B. Determine locations and dimensions of existing structures, piping, and equipment associated with or potentially interfering with the proper fabrication and installation of proposed work.

C. Coordinate final length and location of required pipe connections to all process equipment to meet the recommendations and requirements of the equipment manufacturer subject to approval of the Engineer.

D. No work shall be installed that directly connects to equipment until such time as complete Shop

Drawings of said equipment have been reviewed by the Engineer.

E. Determine and be responsible for the proper locations and character of all hangers, chases, sleeves and other openings in the construction required for all process piping work.

F. Refer to other drawings for exact locations of partitions, walls, doors, equipment, etc.

3.02 INSTALLATION AND TESTING

A. General:

1. All valves and accessories shall be installed as shown on the Drawings, as described herein, and in accordance with manufacturer's recommendations.

2. Install all items in accordance with manufacturer’s recommendations.

3. Install items only where indicated on the Drawings.

4. Installation at other location only with prior approved by the Engineer.

5. All screwed or soldered piping shall have unions installed on both sides of all valves and at all connection points to all equipment.

6. Install vertical piping runs plumb and horizontal runs parallel with structure wall unless otherwise noted on the Drawings.

B. Air Release Valves and Air and Vacuum Valves:

1. Gate valves or ball valves shall be installed below each air release valve.

2. Gate valves or ball valves shall be installed below each air and vacuum valve.

3. The air and vacuum valves shall have downward positioned return pipes that terminate directly over and 12 inches above the floor drain, unless noted otherwise within the Contract Documents.

Each outlet shall be covered with a 24 mesh stainless steel screen.

4. The air release valves shall be fitted with drain piping that directs vented water to, and down, the nearest wall or structural column to the nearest floor drain. The outlet shall be covered with a 24 mesh stainless steel screen and terminated 2 pipe diameters above the floor trench drain.

C. After installation, operate each valve to ensure proper function.

3.03 CONNECTIONS WITH EXISTING PIPING

A. Where connection between new and existing work is made, use suitable and proper fittings to suit conditions encountered.

B. Provide suitable equipment and facilities to dewater, drain, and dispose of liquid removed without damage to adjacent property.

C. Where connection involves potable water systems, provide disinfection methods as prescribed in these Specifications.

RIVAN 168434 40 23 30 - 5

3.04 PAINTING

A. The exterior of all valves, operators and accessories, unless otherwise specified, shall be painted as specified under Section 09 97 20.

B. Valves shall be painted to match the color of the adjacent piping.

3.05 START-UP TRAINING

A. Provide the services of a factory-trained technician for a minimum of two 1-hour operator training sessions for each type of valve or device provided in this section.

B. Schedule training at Owner’s convenience after the systems are operational.

This Page Left Blank Intentionally

Revised Per Addendum 1 Centrifugal Pumps

RIVAN 144134 43 23 00 - 1

SECTION 43 23 00

CENTRIFUGAL PUMPS

1.01 DESCRIPTION

A. Furnish, install, and test centrifugal pumping units and accessories as indicated on the Drawings and as specified herein.

B. One (1) centrifugal pumps will be installed throughout the facility.

1. One (1) end suction pump to recirculate water through the hydropneumatic tank.

C. Related Sections

1. Section 26 00 00 - Electrical General Provisions

2. Section 40 90 00 - Instrumentation and Control for Process Systems

1.02 DEFINITIONS

A. AFBMA: Anti-friction Bearing Manufacturers Association

B. AISI: American Iron and Steel Institute

C. ASTM: American Society for Testing and Materials

D. FM: Factory Mutual

E. HI: Hydraulic Institute Standards

F. NEC: National Electrical Code

G. NEMA: National Electrical Manufacturers Association

H. NFPA: National Fire Protection Association

1.03 SUBMITTALS

A. Shop Drawings in accordance with Section 01 33 00 and include the following:

1. Name of manufacturer

2. Size and model number

3. Performance curves

4. Certified performance curves

5. Detailed specifications and dimensions

6. Motor specifications

7. Installation guide

8. Printed warranty

B. Operating and Maintenance Data in accordance with Section 01 78 23.

C. Certified Installation Inspection and Start-up Services

1.04 WARRANTY

A. The pump manufacturer shall warrant the pumps, motors, and guide removal systems to the Owner against defects in materials and workmanship for a period of five years or 10,000 hours of operation under normal use and service.

Centrifugal Pumps Revised Per Addendum 1

43 23 00 - 2 RIVAN 144134

B. The pump manufacturer's warranty shall be in printed form and previously published as the manufacturer's standard warranty for all similar units manufactured. A copy of the warranty shall be provided to the Owner at system start-up.

1.05 SYSTEM START-UP

A. The pump manufacturer shall furnish the services of a qualified factory trained field service engineer for two 8-hour work days at the site to inspect the installation and instruct the Owner's personnel on the operation and maintenance of the pumping units.

2.01 MANUFACTURER/MODEL:

A. Approved Manufacturers

1. EBARA

2. Gould

3. Little Giant

4. Or Engineer pre-approved equal.

2.02 BASIS OF DESIGN

A. The basis of design is Goulds Model 1BF40312.

2.03 COMPONENTS

A. End Suction Pump:

1. Pump casing shall be cast iron with smooth water passages and fitted with a steel replaceable wearing ring. Maximum casing working pressure shall be 100 psig.

2. Shall be provided with a face type mechanical seal with Ni-Resist stationary seat, carbon washer, Buna rubber flexible members, 18-8 stainless steel spring and metal parts. Seal shall be mounted over 416 stainless steel shaft sleeve.

3. Pump Shaft:

a. Carbon steel of a size and design to limit shaft deflection at the stuffing box to no more than

0.002 inches.

b. Connections to drives shall be connected through a flexible coupling.

4. Impeller:

a. Shall be one piece iron casting

b. Suitable for use in chlorinated potable water

5. Furnish all necessary fittings for connecting to suction and discharge piping.

6. Pump manufacturer shall furnish necessary anchor bolts, nuts, washers, gaskets, and templates required for setting the pump. Anchor bolts shall be 304 stainless steel. Contractor shall place all anchors in accordance with certified prints supplied by pump supplier.

B. Electrical Requirements:

Motors End Suction Pump Rating 120V, 1ph, 60 Hz

Minimum Horsepower 1/3 Speed, rpm 3500

PART 3 EXECUTION

3.01 DELIVERY OF EQUIPMENT

A. Delivery of equipment shall be coordinated with the requirements of the Contractor.

Revised Per Addendum 1 Centrifugal Pumps

RIVAN 144134 43 23 00 - 3

3.02 INSTALLATION

A. Install equipment in accordance with manufacturer’s recommendations and as shown on Drawings.

B. Equipment manufacturer to furnish necessary anchor bolts, nuts, washers, gaskets and anchor bolt templates.

C. Install all anchors in accordance with certified prints supplied by equipment manufacturer.

3.03 SYSTEM AND EQUIPMENT STARTUP

A. Conform to the requirements of Section 01 75 00.

B. The manufacturer or single source supplier of equipment included in each section shall inspect the completed installation; make all necessary adjustments, corrections, or modifications prior to start-up.

See Section 44 44 00.

C. Provide written certification that check-out services have been completed and 1 week notice prior to start-up and demonstration.

D. Place various items of equipment into operation, along with related piping and control systems, at times acceptable to Owner. After satisfactory start-up of these systems and their related equipment, they will remain in continuous or intermittent operation as required by the Owner.

E. All equipment and accessories shall be adjusted and calibrated prior to any start-up and any equipment placed into temporary operation prior to Final Completion of the total Project shall be readjusted and/or recalibrated as necessary.

F. Contractor shall supervise, control, and be responsible for operation and maintenance of new equipment and/or systems during start up.

G. No system start-ups will be held on holidays, Fridays, or the day before a holiday.

3.04 DEMONSTRATION AND TRAINING

A. Provide factory trained serviceman to instruct the Owner's personnel in the proper operation and maintenance of the equipment and certify to the Engineer that system is installed and operating properly, refer to Sections 01 75 00 and 40 05 00.

B. Following completion of successful equipment start-up, the Contractor shall arrange for a factory representative and installer of each operating piece of equipment and other work requiring regular or continuing maintenance, to meet at Site with Owner’s personnel to provide necessary basic instruction in proper operation and maintenance of entire work. Where installers are not experienced in required procedures, include instruction by manufacturer’s representatives.

C. For each piece of operating equipment, the factory representative and installer shall provide two separate training sessions to the Owner’s operations and maintenance staff. The two training sessions shall be separated in time by at least 1 week (7 days) and shall be arranged to meet the schedules of the Owner’s operations and maintenance staff.

D. Each training session shall be inclusive of a minimum 4 hours on-site instructional time. All travel time and costs necessary to perform each training session shall be considered as additional and incidental to four hours of on-site instructional training time.

E. The training session time shall be separate and distinct from the time spent on equipment start-up.

F. Contractor shall coordinate the schedule for each training session a minimum of 2 weeks (14 days) ahead of schedule.

Centrifugal Pumps Revised Per Addendum 1

43 23 00 - 4 RIVAN 144134

G. All final copies of the Operation & Maintenance manuals for each piece of operating equipment shall be delivered to the Engineer a minimum of 1 week (7 days) prior to scheduling the initial training session.

H. At a minimum, each training session shall include the following:

1. Utilize operation and maintenance manuals as basis for instructions.

2. Review contents of manual with Owners’ personnel in detail to explain all aspects of operation and maintenance.

3. Include a detailed review of the following items:

a. Maintenance manuals.

b. Record documents.

c. Spare parts and materials.

d. Tools.

e. Lubricants.

f. Fuels.

g. Identification systems.

h. Control sequences.

i. Hazards.

j. Cleaning.

k. Warranties.

l. Maintenance agreements and similar continuing commitments.

4. Manufacturer’s representative shall demonstrate the following procedures to Owner’s personnel prior to date of final inspection:

a. Startup.

b. Shutdown.

c. Emergency operations.

d. Noise and vibration adjustments.

e. Safety procedures.

f. Economy and efficiency adjustments.

g. Effective energy utilization.

h. Troubleshooting.

i. Maintenance.

I. Prepare and insert additional data in operations and maintenance manuals if need for additional data becomes apparent during instructions.

35' REAR SETBACK

' S

ID

E

SE

TB

AC

K

75' FRONT SETBACK

PAVED DRIVE

PAVED DRIVE

GRAVEL AREA

CHAIN LINK FENCE

PAVED DRIVE

ONE STORY

CMU BUILDING

FFE = 651.90'

CONCRETE

STOOP

SHED

BENCHMARK:

X ON CONCRETE PAD

ELEV. = 660.37'

WELL W/

CONCRETE

PAD

NEW CHAIN LINK GATE W/ ELECTRIC ACTUATOR

U S

R T.

(N .B

.L

VA

R

IA

BL

E W

ID

TH

R

/W BENCHMARK:

IPF

ELEV. = 6647.18'

PROCESS ROOM

SODIUM HYPOCHLORITE

ROOM

FLUORIDE ROOM

18'

NEW CMU BUILDING

(SEE STRUCTURAL

SHEETS)

NEW 8' L x 4' W GENERATOR PAD W/

RELOCATED GENERATOR & NEW FUEL LINE

RELOCATED CHAIN LINK FENCE

(SEE DETAIL ON SHEET C04)

XC

XC

XC

CO

CO

CO

CO

G

CO

CO

CO

XC

REROUTED WATER SUPPLY &

ELECTRICAL LINES FROM WELL

12'

NEW BUILDING

FFE = 652.50'

NEW DITCH LINE

NEW 4,000 GALLON

UNDERGROUND WASTE

STORAGE TANK

REROUTE 6" DRAIN LINE FROM

BUILDING FLOOR DRAIN

REQ'D:

(1) 6" 45° BEND

(1) CLEANOUT

NEW 6" FLOOR DRAIN

TO UNDERGROUND

WASTE STORAGE TANK

@ MIN. 1% SLOPE

NEW CLEANOUT (TYP)

(SEE DETAIL ON SHEET C04)

EXISTING 6" FLOOR DRAIN

(TO BE ABANDONED)

RELOCATED PROPANE STORAGE

TANK W/ NEW CONCRETE PAD

10' 5'

BOLLARD (TYP)

(SEE DETAIL ON SHEET C04)

SILT FENCE

(TYP)

SILT FENCE

(TYP)

CHAIIN LINK ELECTRIC ACTUATOR

XC

NEW GATE TRAVEL PATH

(APPROXIMATE)

CUT & CAP 6" DRAIN LINE

(CAP BOTH ENDS OF PIPE).

REPAIR PAVED DRIVE IN KIND.

NEW 8" BACKWASH

WASTE LINE FROM

GAC UNIT

CONTRACTOR

STAGING AREA

TEMPORARY HYDROPNEUMATIC TANK

WITH INFLUENT/EFFLUENT HOSES.

CONTRACTOR TO USED EXISTING

PENETRATIOND IN NE CORNER OF

WTP & CONNECT TO INTERNAL PIPING.

CONCRETE STOOP - MATCH

PAVEMENT ELEVATIONS

(SEE STRUCTURAL SHEETS)

EXISTING WELL DISCHARGE LINE IS 4" SCH 80

PVC. CUT EX. WATER WATER MAIN AND

INSTALL SCH 80 PVC 45° BEND FITTING TO

ALIGN WITH NEW FLOOR PENETRATION.

TRANSITION TO DIP 5' FROM WTP. PROVIDE

AWWA C906 DIP MH ADAPTER.

NOTE:

CONTRACTOR TO EXCAVATE AND PROVIDE TEMPORARY CONNECTION FROM EXISTING 4" SCH 80 PVC WELL DISCHARGE PIPING AND WTP INTERNAL PIPING. TEMPORARY CONNECTION SHALL REMAIN IN PLACE WHILE NEW WELL DISCHARGE PIPING AND WTP INTERNAL PIPING IS INSTALLED SUCH THE WTP

HAS A CONTINUOUS WATER SUPPLY FROM THE WELL. TEMPORARY THRUST BLOCKING SHALL BE

PROVIDED AT TEMPORARY CONNECTION TO THE SATISFACTION OF OWNER/ENGINEER TO PREVENT

MOVEMENT OF TEMPORARY PIPING.

NEW 4' WIDE PERSONNAL GATE IN

EXISTING FENCE. INSTALL NEW POST

AND MODIFY MESH TO ACCOMMODATE

INSTALLATION.GATE CARD READER PEDESTAL.

CONTRACTOR TO POUR 24" X 24" X 12"

CONCRETE PAD, INSTALL CONDUIT

AND INSTALL PEDESTAL.

(COORDINATE WITH ELECTRICAL)

CARD READER AND WIRING BY

OTHERS.

BURIED GATE EXIT LOOP

1.5" CONDUIT FROM FLOW

SWITCH TO PLC

(COORDINATE WITH ELECTRICAL)

1" BURIED CONDUIT FROM GATE

CARD READER TO SECURITY PANEL

LPG GENERAL NOTES:

1. LPG PIPING AND VALVES INCLUDING PROPANE PIPING SHALL COMPLY WITH REQUIREMENTS OF NFPA 58 AND THE INTERNATIONAL FUEL GAS CODE FOR PG DISTRIBUTION SYSTEM, INCLUDING MATERIALS, INSTALLATION AND TESTING.

2. MINIMUM OPERATING PRESSURE FOR LPG PIPING AND VALVE: 125 PSIG.

3. BELOW GRADE LPG PIPING SHALL BE 0.75-INCH POLYETHYLENE PIPE AND TUBING, ASTM D2513, SDR 11

WITH BUTT-FUSION FITTINGS AND JOINTS. JOIN PIPING IN ACCORDANCE WITH ASTM D2657. PIPE BURY

DEPTH SHALL BE MINIMUM 36" BELOW GRADE. INSTALL WARNING TAPE OVER PIPE.

4. ABOVE GRADE LPG PIPING SHALL BE 0.75-INCH ASTM A53/A53M, BLACK STEEL, SCHEDULE 40, TYPE E OR S, BRADE B. COAT PIPE AND FITTINGS WITH PROTECTIVE COATING FOR STEEL PIPE.

5. REUSE EXISTING PRESSURE REGULATOR IN GENERATOR ENCLOSURE.

NEW 0.75" LIQUIFIED PETROLEUM

GAS (LPG) PIPING. SEE LPG

GENERAL NOTES ON THIS SHEET.

1" BURIED CONDUIT TO GATE OPENER

(COORDINATE WITH ELECTRICAL)

SEH Project Checked By Drawn By

Project Status Issue Date

This drawing is an instrument of service and shall remain the property of Short Elliott Hendrickson, Inc.

(SEH). This drawing, concepts and ideas contained herein shall not be used, reproduced, revised, or retained without the express written approval of SEH.

Submission or distribution of this drawing to meet official or regulatory requirements or for purposes in connection with the project is not be construed as publication in derogation of any of the rights of SEH.

Project Owner

Sh or t E llio tt H en dr ick so n, Inc

Al l R igh ts

Re se rve d

CO

PY

RI

GH

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REVISION SCHEDULE

REV. # DESCRIPTION DATE

SA

VE

: 1 0/1

7/2

2 1 2:0

9:4 7 P

M sw illi by

PL

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: 1 1/2

0/2

3 4 :15

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9/28/2023BID DOCS

168434

9/28/2023

RIVANNA WATER & SEWER AUTHORITY

695 MOORES CREEK LANE

CHARLOTTESVILLE, VA 22902

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C03

TWW

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SITE PLAN

11/20/20231 ADDENDUM 1

SEH Project Checked By Drawn By

Project Status Issue Date

This drawing is an instrument of service and shall remain the property of Short Elliott Hendrickson, Inc.

(SEH). This drawing, concepts and ideas contained herein shall not be used, reproduced, revised, or retained without the express written approval of SEH.

Submission or distribution of this drawing to meet official or regulatory requirements or for purposes in connection with the project is not be construed as publication in derogation of any of the rights of SEH.

Project Owner

Sh or t E llio tt H en dr ick so n, Inc

Al l R igh ts

Re se rve d

CO

PY

RI

GH

T

REVISION SCHEDULE

REV. # DESCRIPTION DATE

SA

VE

: 1 0/1

7/2

2 1 2:0

9:4 7 P

M sw illi by

PL

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: 1 1/2

1/2

3 4 :13

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9/28/2023BID DOCS

168434

9/28/2023

RIVANNA WATER & SEWER AUTHORITY

695 MOORES CREEK LANE

CHARLOTTESVILLE, VA 22902

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CIVIL DETAILS

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1/2

2 5 :16

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FINISHED GROUND

LINE

COMPACTED

SUBGRADE

NOTES:

4' MIN

12" MIN

TYP

1/2" DIA

CRUSHED

ROCK

PIPE

GEOTEXTILE TYPE 4

MNDOT 3733

SUITABLE

MATERIAL

" M

IN

PI

PE

Z O

N E

C04

PIPE BEDDING & TRENCH BACKFILL

NO SCALE

FI

N

AL

BA

C

KF

IL

L

3/8" CROWN

8" DIA SCHEDULE 80 STEEL

PIPE BOLLARD EMBED IN

CONCRETE AND FILL WITH

CONCRETE. APPLY PAINT

PER SECTION 09 97 20.

1/2" EXPANSION JOINT

PAVEMENT SURFACE

AS INDICATED

12" 12"

4'-0"

4'-0"

1'-0" SQUARE

COAT AS SPECIFIED

STANDARD MACHINE SLICED

PREASSEMBLED

DIRECTION OF

RUNOFF FLOW

DIRECTION OF

RUNOFF FLOW

DIRECTION OF

RUNOFF FLOW

6" MIN.

4" MIN.

6" MIN.

6" MIN.

2' M

IN

PO

ST

EM

BE

D M

EN

T

5 FT. MIN. LENGTH POST

AT 6 FT. MAX. SPACING

GEOTEXTILE FABRIC, 36'' WIDE

FABRIC ANCHORAGE TRENCH.

BACKFILL WITH TAMPED

NATURAL SOIL

" M

IN

" M

IN

PO

ST

EM

BE

D M

EN

T

5 FT. MIN. LENGTH POST

AT 6 FT. MAX. SPACING

STAPLES

GEOTEXTILE FABRIC, 36'' WIDE

FABRIC ANCHORAGE

TRENCH. BACKFILL

WITH TAMPED

NATURAL SOIL

5 FT. MIN. LENGTH POST

AT 6 FT. MAX. SPACING

GEOTEXTILE FABRIC, 36'' WIDE

T-

PO

ST

2' M

IN

PO

ST

EM

BE

D M

EN

T

" M

IN

C04

BOLLARD DETAIL

NO SCALE

1. CONTRACTOR SHALL CONSTRUCT TRENCH AND PROVIDE PROTECTIVE

MEASURES AS REQUIRED TO COMPLY WITH OSHA REGULATIONS.

C04

SILT FENCE

NO SCALE

45° WYE

NOTE:

ALL PIPE SHALL BE

SDR35 W/GASKETED JOINTS

24"PVC SERVICE

4" RESIDENTIAL

6" COMMERCIAL

6"

6"

CLEANOUT CASTING

PVC PIPE

4" RESIDENTIAL

6" COMMERCIAL

45°

LONG SWEEP ELBOW

CONNECT TO

EXISTING OR

PLUG / CAP

IN LINE CLEANOUT

C04

SANITARY SEWER SERVICE CLEANOUT

NO SCALE

C04

JOINT RESTRAINT

NO SCALE

TIE TO FIRST FLANGE ABOVE FLOOR WITH

RESTRAINT PLATES

(2) "A" ASTM A307 TIE RODS COATED WITH

BITUMASTIC PAINT TO PREVENT CORROSION

AND ADHESION TO CONCRETE

1/2" EXPANSION MATERIAL AROUND PIPE

"D" RISER CLAMP (TWO HEAVY COATS OF

BITUMASTIC PAINT WHEN IN CONTACT WITH

CONCRETE)

(2) "B" ASTM A307 BENT RODS, 4" HOOKS

(16" MINIMUM EMBEDMENT) COAT RODS WITH

BITUMASTIC PAINT

BURIED MECHANICAL JOINT BEND (TEE SIMILAR)

MECHANICAL JOINT RESTRAINT (EBBA IRON

MEGA-LUG OR EQUIVALENT)(TYPICAL OF 2)

VERIFY PIPE SIZE AND DEPTH

(2) "A" ASTM A307 TIHE RODS TO FIRST JOINT

2 BOLT RISER CLAMP OR STAR BOLTS

"C" x "C" x "C" CONCRETE THRUST BLOCK

"A" 1 1/8"

3/4" 3/4" 3/4" 3/4" 5/8"

"B" 1" 1"

3/4" 3/4" 3/4" 5/8"

"C" 4'-0" 3'-8" 3'-0" 2'-5"

1'-10" 1'-8"

"D"

2 BOLT

4-BOLT

4-BOLT

4-BOLT

4-BOLT

4-BOLT

16" PIPE

12" PIPE

10" PIPE

8" PIPE

6" PIPE

4" PIPE

C04

4,000 GALLON PRECAST WASTE TANK

SCALE: NOT TO SCALE

7' -6

21A OR DVOT NO. 10 SCREENING

(ROCK DUST) LEVELING LAYER

(VERIFY SOIL CONDITIONS WITH

GEOTECH ENGINEER WHEN

EXCAVATED)

6" WELDED STEEL

VENT PIPE

MANHOLE BOOT OR SIMILAR TO

PROVIDE FEXIBLE WATERTIGHT

CONNECTION (TYP.)

8" BWW

6" FLOOR DRAINS

FLOAT SWITCH CONDUIT

FLOAT SWITCH,

MOUNTED TO

TANK SIDE WALL

16" ROUND

ACCESS/CLEANOUT

HATCH

6" WELDED STEEL

VENT PIPE

14'-0"

6" FLOOR DRAINS

6' -0

"FINISHED GRADE

16" ROUND HATCH COVER W/

GRADE RINGS (TYP.)

PRECAST WALLS AND TOP SLAB

(SIZED BY PRECAST MANUFACTURER)

6"

11/20/20231 ADDENDUM 1

PLAN

SECTION

A

B

D

C

WF2-0

WF2-0

WF2-0

WF1-4

S110

S110

Sim

5" SOG W/ #4

BARS @ 18"

O.C. EW

CENTERED

EXISTING BUILDING

8" 8"

8"

S110

Sim

TOP OF FOOTING

650' - 0"

B C

8" CONCRETE FOUNDATION WALL

#5's @12" o.c. EW

6"

EXISTING WALL

EXISTING FOUNDATION

#5 BAR DRILL AND EPOXY 6"

EMBEDMENT @ 24" O.C.

MATCH DOWELS SIZE AND

SPACING TO VERTICAL

REINFORCEMENT

SEE PLAN FOR FOUNDATION

SIZE AND REINFORCEMENT

F.F.E. EXISTING

651.90'

BOND BREAKER

INTERIOR NON-BEARING PARTITION WALL. SEE

GENERAL NOTES FOR VERTICAL REINFORCEMENT

SEE FLOOR PLAN FOR SLAB THICKNESS "T" AND

SLAB REINF

NOTE:

UNO, PROVIDE CONT THICKENED SLAB FOOTING

AT ALL PARTITION WALLS 8" OR GREATER.

D

T 10"

3D

3" CLR

(3) #5 CONT, UNO

FOOTING SCHEDULE

MARK WIDTH THICKNESS REINFORCEMENT

WF1-4

WF2-0

1'-4"

2'-0"

1'-0"

1'-0"

(2) #5 REBAR CONT, BOT

(2) #5 REBAR CONT, BOT

LINTEL SCHEDULE

MARK SIZE REINFORCEMENT

L1 8" DEEP CMU LINTEL (1 COURSE) (2) CONT. #5 REBAR BOTTOM

GENERAL NOTES:

1. 8" CMU REINFORCED WITH #5'S @ 48" O.C. TYPICAL AND AT EACH CORNER

2. UNDERCUT FOOTINGS 6FT BELOW EXISTING GRADE. BACKFILL BELOW

FOOTING (MATCHING FOOTING WIDTH) WITH LEAN CONCRETE OR

FLOWABLE FILL. EXISTING SOIL IS SUITABLE FOR SLAB SUPPORT.

BACKFILL VOID SPACE WITH STRUCTURAL FILL. PROTECT EXISITNG WTP

FOOTINGS DURING EXCAVATION AND SOIL CORRECTION.

3. TOP OF MASONRY WALLS AND PARTITION WALLS TO HAVE 8" DEEP BOND

BEAM WITH 2 - #5 BOTTOM BARS TYPICAL

INSPECTIONS & TESTS SCHEDULE

METAL CONSTRUCTION

1. WELDING

2. DETAILS: BRACING, LOCATIONS, ETC.

3. BOLTING

4. OPEN-WEB STEEL JOISTS & JOIST GIRDERS:

A. INSTALLATION OF OPEN-WEB JOISTS & JOIST GIRDERS END

CONNECTIONS WELD OR BOLT

B. INSTALLATION OF STANDARD BRIDGING & BRIDGING THAT DIFFERS

FROM SJI SPECS

5. STEEL DECK INCLUDING WELDING OR MECHANICAL FASTENING

6. COMPOSITE CONSTRUCTION INCLUDING HEADED STUD ANCHORS

7. COLD FORMED TRUSSES SPANNING 60FT OR GREATER

CONCRETE CONSTRUCTION

1. INSPECT REINFORCEMENT

2. REINFORCING BAR WELD

3. INSPECT ANCHORS CAST IN CONCRETE

4. INSPECT ANCHORS POST-INSTALLED IN CONCRETE

5. VERIFY USE OF REQUIRED DESIGN MIX

6. PRIOR TO CONCRETE PLACEMENT, FABRICATE SPECIMENS FOR

STRENGTH TESTS, PERFORM SLUMP AND AIR CONTENT TESTS, AND

DETERMINE THE TEMPERATURE OF THE CONCRETE

7. INSPECT CONCRETE AND SHOTCRETE PLACEMENT FOR PROPER

APPLICATION TECHNIQUES

8. VERIFY MAINTENANCE OF SPECIFIED CURING TEMPERATURE AND

TECHNIQUES

9. INSPECT PRESTRESSED CONCRETE MEMBERS

10. INSPECT ERECTION OF PRECAST CONCRETE MEMBERS

11. VERIFY IN-SITU CONCRETE STRENGTH PRIOR TO POST-TENSIONING

CONCRETE AND PRIOR TO REMOVAL OF SHORES AND FORMS FROM

BEAMS AND STRUCTURAL SLABS

12…

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