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Special Specification 7021 Water Main and Sewer Line Replacements

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1 - 5 03-15 OTU

Special Specification 7021

Water Main and Sewer Line Replacements

1.

DESCRIPTION

Furnish, install, or replace water pipe, water valves, water meters and boxes, water service connections, fire hydrant assemblies, pipe fittings, encasement pipes for water lines, sewer pipe, manholes and supporting materials in conformance with the City of Fort Worth requirements and details shown on the plans. Obtain necessary permits, provide testing as necessary, and request inspection of the completed water and sewer lines prior to being placed in service.

2.

PREQUALIFICATION

In addition to TxDOT’s prequalification, water and sewer utility improvements included in this project must be performed by a Contractor who is prequalified by the Fort Worth Water Department at the time of the bid opening. Reference the following attached specifications for bidder prequalification requirements:

 00 45 11 – Bidders Prequalification’s  00 45 12 – Prequalification Statement  00 45 13 – Bidder Prequalification Application

3.

MATERIALS

Furnish all materials in accordance with the requirements shown on the plans or pick-up materials furnished by the utility companies and deliver to the project site. See Article 5, “Measurement”, Table 1 - Section A: Water and Table 2 - Section B: Sewer, in this document.

4.

PERMITS, TESTING, AND INSPECTION

4.1. Permits. Acquire all necessary permits from the City of Fort Worth to perform the work. Please contact the following entities as needed:

 Fort Worth Water Department – Field Operations: (817) 392-8296  Fort Worth Transportation and Public Works: (817) 392-8100

4.2. Testing. Provide testing for water mains and sewer lines in conformance to the City of Fort Worth requirements or as directed by the Engineer. Perform the following testing as minimum:

 For water mains: hydrostatic test, poly pigging, and sterilization test.

 Reference Specification – 33 04 40 – “Cleaning and Acceptance Testing of Water Mains”.  For sewer lines: Low pressure air test, deflection (Mandrel) test, vacuum test, and Closed Circuit

Television (CCTV) Inspection.

 Reference Specification – 33 01 30 – “Sewer and Manhole Testing” and 33 01 31 – “Closed Circuit Televisions (CCTV) Inspection”.

4.3. Inspection. All water main, sewer lines, and their appurtenances will be inspected by a representative of the City of Fort Worth. These representatives’ decision of acceptability of the installation will be final. The City of Fort Worth will hold 2 final inspections, one at water and sewer line completion and the other at roadway completion for final utility grade adjustments according to Specification Section 33 05 14 attached.

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5.

CONSTRUCTION

Protect all water mains, sewer lines, vaults and appurtenances at all times during the construction. Promptly repair, at no additional cost to the Owner, any damage to the existing water or sewer system and any interruption to the services such as line stoppages or breakage caused by the Contractor’s operation. Follow “Location of Existing Utilities Handout” per City of Fort Worth requirements.

5.1. Construction Staking. The construction staking and survey must be done by the City of Forth Worth according to the follow specification:

 Specification – 01 71 23 – “Construction Staking and Survey”.

5.2. Specifications. Perform the work in such a manner consistent with current City of Fort Worth standards and specifications. Reference the following attached Specifications for the work to be performed:

Division 00: General Conditions

 00 61 19 – Maintenance Bond Division 01: General Requirements

 01 25 00 – Substitution Procedures  01 32 33 – Preconstruction Video  01 33 00 – Submittals

 01 71 23 – Construction Staking and Survey Division 02: Existing Conditions

 02 41 14 – Utility Removal Abandonment Division 33: Utilities

 33 01 30 – Sewer and Manhole Testing

 33 01 31 – Closed Circuit Televisions (CCTV) Inspection  33 03 10 – Bypass Pumping of Existing Sewer Systems  33 04 10 – Joint Bonding and Electrical Isolation  33 04 11 – Corrosion Control Test Stations

 33 04 12 – Magnesium Anode Cathodic Protections System  33 04 30 – Temporary Water Services

 33 04 40 – Cleaning and Acceptance Testing of Water Mains  33 05 10 – Utility Trench Excavation Embedment and Backfill  33 05 13 – Frame Cover and Grade Rings

 33 05 14 – Adjusting Manholes, Inlets, Valve Boxes, and Other Structures to Grade  33 05 16 – Concrete Water Vaults

 33 05 17 – Concrete Collars  33 05 20 – Auger Boring  33 05 22 – Steel Casing Pipe

 33 05 24 – Installation of Carrier Pipe in Casing or Tunnel Liner Plate  33 05 26 – Utility Markers-Locators

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3 - 5 03-15 OTU  33 11 05 – Bolts, Nuts, and Gaskets

 33 11 10 – Ductile Iron Pipe  33 11 11 – Ductile Iron Fittings

 33 11 12 – Polyvinyl Chloride (PVC) Pressure Pipe  33 12 10 – Water Services 1-inch to 2-inch  33 12 20 – Resilient Seated (Wedge) Gate Valve  33 12 25 – Connection to Existing Water Mains  33 12 40 – Fire Hydrants

 33 12 50 – Water Sample Stations

 33 31 20 – Polyvinyl Chloride (PVC) Gravity Sanitary Sewer Pipe

 33 31 21 – Polyvinyl Chloride (PVC) Closed Profile Gravity Sanitary Sewer Pipe  33 31 50 – Sanitary Sewer Service Connections and Service Line

 33 39 10 – Cast-in-Place Concrete Manholes  33 39 20 – Precast Concrete Manholes  33 39 40 – Wastewater Access Chamber (WAC)  33 39 60 – Epoxy Liners for Sanitary Sewer Structures

The specifications can be viewed on the City of Fort Worth’s Internet Home Page at fortworthtexas.gov. 5.3. Submittals. Submit the following submittals and types per “Submittal Log Table” attached according to

Specification Section 01 33 00 – “Submittals”.

6.

MEASUREMENT

Water main and sewer line replacement items will be measured as follows:

Table 1 Section A: Water TxDOT

Item No. Description Code FTW Bid Item No. Fort Worth Bid Item Description FW Spec Unit

0000 *** 0241.1001 Water Line Grouting 02 41 14 CY

0000 *** 0241.1011 Remove 4" Water Line 02 41 14 LF

0000 *** 0241.1012 Remove 6" Water Line 02 41 14 LF

0000 *** 0241.1013 Remove 8" Water Line 02 41 14 LF

0000 *** 0241.1014 Remove 10" Water Line 02 41 14 LF

0000 *** 0241.1015 Remove 12" Water Line 02 41 14 LF

0000 *** 0241.1019 Remove 24" Water Line (Casing) 02 41 14 LF

0000 *** 0241.1100 Remove Asphalt Pvmt 02 41 15 SY

0000 *** 0241.1218 4"-12" Water Abandonment Plug 02 41 14 EA

0000 *** 0241.1302 Remove 6" Water Valve 02 41 14 EA

0000 *** 0241.1303 Remove 8" Water Valve 02 41 14 EA

0000 *** 0241.1305 Remove 12" Water Valve 02 41 14 EA

0000 *** 0241.1510 Salvage Fire Hydrant 02 41 14 EA

0000 *** 3201.0115 8' Wide Asphalt Pvmt Repair, Residential 32 01 17 LF

0000 *** 3304.0101 Temporary Water Services 33 04 30 LS

0000 *** 3305.0103 Exploratory Excavation of Existing Utilities 33 05 30 EA

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Table 2 Section B: Sewer

0000 *** 3305.0110 Utility Markers 33 05 26 LS

0000 *** 3305.1004 24" Casing By Open Cut 33 05 22 LF

0000 *** 3305.1104 24" Casing By Other Than Open Cut 33 05 22 LF

0000 *** 3305.2004 12" Water Carrier Pipe 33 05 24 LF

0000 *** 3311.0001 Ductile Iron Water Fittings w/ Restraint 33 11 11 TON

0000 *** 3311.0141 6" Water Pipe 33 11 10, 33 11 12 LF

0000 *** 3311.0241 8" Water Pipe 33 11 10, 33 11 12 LF

0000 *** 3311.0441 12" Water Pipe 33 11 10, 33 11 12 LF

0000 *** 3311.0452 12" DIP Water, CSS Backfill 33 11 10 LF

0000 *** 3312.0001 Fire Hydrant 33 12 40 EA

0000 *** 3312.0106 Connection to Existing 16" Water Main 33 12 25 EA

0000 *** 3312.2001 1" Water Service, Meter Reconnection 33 12 10 EA

0000 *** 3312.2003 1" Water Service 33 12 10 EA

0000 *** 3312.2101 1 1/2" Water Service, Meter Reconnection 33 12 10 EA

0000 *** 3312.2103 1 1/2" Water Service 33 12 10 EA

0000 *** 3312.2201 2" Water Service, Meter Reconnection 33 12 10 EA

0000 *** 3312.2203 2" Water Service 33 12 10 EA

0000 *** 3312.3002 6" Gate Valve 33 12 20 EA

0000 *** 3312.3003 8" Gate Valve 33 12 20 EA

0000 *** 3312.3005 12" Gate Valve 33 12 20 EA

0000 *** 3312.4002 6" x 6" Tapping Sleeve & Valve 33 12 25 EA

0000 *** 3312.4114 16" x 12" Tapping Sleeve & Valve 33 12 25 EA

0000 *** 3312.4415 48" x 12" Tapping Sleeve & Valve 33 12 25 EA

0000 *** N/A Gravel N/A SY

TxDOT Item No. Description Code FTW Bid Item No.

Fort Worth Bid Item Description FW Spec Unit

0000 *** 0241.1100 Remove Asphalt Pvmt 02 41 15 SY

0000 *** 0241.2012 Remove 6" Sewer Line 02 41 14 LF

0000 *** 0241.2013 Remove 8" Sewer Line 02 41 14 LF

0000 *** 0241.2014 Remove 10" Sewer Line 02 41 14 LF

0000 *** 0241.2102 6" Sewer Abandonment Plug 02 41 14 EA

0000 *** 0241.2103 8" Sewer Abandonment Plug 02 41 14 EA

0000 *** 0241.2201 Remove 4' Sewer Manhole 02 41 14 EA

0000 *** 0241.5001 Abandon Manhole 02 41 14 EA

0000 *** 3201.0115 8' Wide Asphalt Pvmt Repair, Residential 32 01 17 LF

0000 *** 3301.0001 Pre-CCTV Inspection 33 01 31 LF

0000 *** 3301.0002 Post-CCTV Inspection 33 01 31 LF

0000 *** 3301.0101 Manhole Vacuum Testing 33 01 30 EA

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7.

PAYMENT

The work performed and materials furnished in accordance with this Item and measured as provided by under “Measurement”, will be paid for at the unit price bid for the various items specified on the plans. This price is for full compensation for furnishing all equipment, materials, tools, labor, permits, testing, and incidentals necessary to satisfactorily complete the work as detailed on the plans including excavation, embedment, and backfill.

0000 *** 3305.0103 Exploratory Excavation of Existing Utilities 33 05 30 EA

0000 *** 3305.0109 Trench Safety 33 05 10 LF

0000 *** 3305.0110 Utility Markers 33 05 26 LS

0000 *** 3305.0112 Concrete Collar 33 05 17 EA

0000 *** 3305.1004 24" Casing By Open Cut 33 05 22 LF

0000 *** 3331.4115 8" Sewer Pipe 33 11 10, 33 31 12, 33 31 20 LF

0000 *** 3331.4119 8" DIP Sewer, CSS Backfill 33 11 10 LF

0000 *** 3331.4205 10" DIP Sewer, CSS Backfill 33 11 10 LF

0000 *** 3331.4215 15” Sewer Pipe 33 11 10, 33 31 12, 33 31 20 LF

0000 *** N/A 15” DIP Sewer, CSS Backfill 33 11 10 LF

0000 *** 3331.3401 Ductile Iron Sewer Fittings 33 11 11 TON

0000 *** 3339.0001 Epoxy Manhole Liner 33 39 60 VF

0000 *** 3339.1001 4' Manhole 33 39 10, 33 39 20 EA

0000 *** 3331.3101 4" Sewer Service 33 31 50 EA

References

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