SECTION 663: UTILITY ITEMS
663.1 Description
This Work consists of trench excavation and backfill, and prov iding, installing, and connecting the specified utility items to existing utilities.
663.1.1 New Mexico Standard Specifications for Public Works Con struction
(NMSSPWC) Appurtenant Stipulations The Contractor shall adhere to the applicable requirements of the NMSSPWC as referenced, added to, or modified for utility relocation and co nstruction.
663.1.1 1 Terms
For the purposes of this section, substitute “Engineer,” as it appears in the applicable sections of the NMSSPWC, with “Project Manager.” The term “Owner” refers to the entity owning the affected utilities on this Project.
663.1.1 2 Applicable Sections
The following sections of the NMSSPWC shall apply, except as modified: 1. Section 700, “Trenching and Boring for Utilities;” 2. Section 701, “Trenching, Excavation, and Backfill;” 3. Section 710, “Boring, Drilling, and Jacking;” 4. Section 800, “Water Transmissi on Collector and Distribution Lines;” 5. Section 801, “Installation of W ater Transmission, Collector and Distribution Lines;” 6. Section 802, “Installation of Water Service Lines;” 7. Section 900, “Sanitary and Storm Sewer Facilities;” 8. Section 901, “Sanitary Sewer Collector and Interceptor Facil ities;” 9. Section 905, “Sanitary Service Lines;” 10. Section 910, “Storm Sewer Pipe Installations;” 11. Section 915, “Storm Sewer Drainage Appurtenances;” and 12. Section 920, “Sanitary and Storm Sewer Manholes.”
663.1.1 3 Modifications to NMSSPWC
The sections listed above do not include references to measure ment and payment; measurement and payment will be in accordance with Section 663. 4, “Method of Measurement,” and Section 663.5, “Basis of Payment.”
663.1.2 Electrical
The Contractor shall perform Work in accordance with State and local codes and ordinances, the current edition of the NEC®, the rules and regu lations of the local electrical company authority, and other authorities with jurisdiction. Wh ether shown on the Plans or not, the Contractor shall make modifications required by any of the above authorities at no additional cost to the Owner or the Department.
663.2 Materials
Section 663: Utility Items Page 741 The Contractor shall provide the following Materials in accord ance with the Contract: 1. Pumps; 2. Pipes; 3. Tubing; 4. Fittings; 5. Manual valves; 6. Reduced pressure backflow preventers; 7. Instrumentation; and 8. Miscellaneous system components. The Contractor shall provide new, unused Materials of the best quality available for the purposes intended. If the Contract specifies Materials by bran d names, the Contractor shall substitute other brands of equal quality with Project Manager a pproval of a submittal detailing adequate technical and descriptive data. The Contractor shall provide Materials in accordance with thes e Standard Specifications and the following sections of the NMSSPWC: 1. Section 100, “Materials;” 2. Section 101, “Portland Cement Concrete;” 3. Section 102, “Steel Reinforcement;” 4. Section 103, “Epoxy-Coated Steel Reinforcement;” 5. Section 105, “Concrete Curing Compound;” 6. Section 106, “Cement Mortar and Grout;” 7. Section 107, “Joint Filler and Sealant Material;” 8. Section 108, “Brick;” 9. Section 121, “Plastic Pipe (Wat er and Sanitary Sewer Use);” 10. Section 123, “Reinforced Concrete Pipe;” 11. Section 124, “Reinforced Concrete Pressure Pipe;” 12. Section 125, “Vitrified Clay Pipe;” 13. Section 127, “Steel Water Pipe;” 14. Section 128, “Concrete Cylinder Pipe;” 15. Section 129, “Ductile Iron Pipe;” 16. Section 130, “Gray Iron and Ductile Iron Fittings;” 17. Section 143, “Galvanizing;” 18. Section 160, “Steel Castings;” 19. Section 161, “Gray Iron Castings;” 20. Section 162, “Alumi num Castings;” and 21. Section 170, “Electronic Marker Disks.” The Contractor shall provide concrete in accordance with Secti on 509, “Portland Cement Concrete Mix Designs.” The Cont ractor shall provide steel for reinforcement in accordance with Section 540, “Steel Reinforcement.”
663.2.1 Certification
Section 663: Utility Items Page 742 The Contractor shall provide the Project Manager with a Certif icate of Compliance for each required item or type of Material, before use, that indica tes the item or Material is in accordance with the Contract.
663.3 Construction Requirements
663.3.1 General
The Contractor shall excavate t o determine the exact locations of existing utilities that affect the new construction. The Contractor shall repair damag e to existing utilities due to Contractor negligence, at no additional cost to the Department. The Project Manager will establis h the final locations for new fittings, connections, etc. in the field. The Project Manager m ust approve modifications to t he Contract in writing before use.
663.3.1 1 Waste Containment and Disposal Requirements
The Contractor shall dispose of Materials taken from sanitary sewers during cleaning operations at no additional c ost to the Department. The Contractor shall retrieve sand and other debris from the s ewers and secure a legal disposal site for it. The Contractor shall not discharge removed sewage or solids on to streets or into ditches, catch basins, or storm drains.
663.3.2 Pipe Installation
The Contractor may select a Contract-specified type of pipe as approved by the Project Manager and the Owner. The Contractor shall store plastic pipes out of direct sunligh t until placement and replace plastic pipes showing discolorati on or deterioration with Accep table pipes, at no additional cost to the Department. The Contractor shall replace sections of pipe found to be defe ctive before or after installation with new pipes a t no additional cost to the Depart ment.
663.3.2 1 Trenching
The Contractor shall perform trenching and excavation for util ities in accordance with Section 660, “Excavation, Tr enching and Backfilling for Utiliti es.”
663.3.2 2 Pipe Assembling
The Contractor shall perform the following before pipe assembl y: 1. Clean off dirt and pipe scale; 2. Ream and remove burrs; and 3. Clear pipes and fittings of dirt, dust, and moisture. The Contractor shall use manufacturer-recommended fittings to ensure leak-proof joints. The Contractor shall use elasto meric sealed joints in accordanc e with ASTM F 477 and ASTM D 3139. The Contractor shall clean the interior of pipes from foreign matter before lowering into the trench and keep them clean during installation using plugs or other methods approved by the Project Manager.
663.3.2 3 Pipe Placement
The Contractor shall lay pipes in accordance with these Standard Specifications and the manufacturer's recommendations. The Contractor shall ensure that the full length of each secti on of pipe rests solidly on the pipe bed including recesses to accommodate the joints. If a pi pe section is disturbed after initial installation, the Contractor shall remove and re-lay. The Contractor shall not lay pipes in water or unsuitable weat her conditions. When not working on pipes, the Contractor shall securely close open ends of pipes and fittings to prevent trench water, earth, or other Deleterious Material from entering them.
663.3.2 4 Pressurized Pipe Tests
The Contractor shall thoroughly flush out main line supply pip elines and test them for leaks before placing backfill and installing valves. The Contractor shall firmly block the fittings at bends in the pipelines and at the ends of lines to prevent the fittings from blowing off the lines when u nder pressure. The Contractor shall ensure that fittings and couplings are vi sible for inspection during the entire test period. The Contractor shall test in accordanc e with NMSSPWC.
663.3.2 5 Bedding and Backfilling
The Contractor shall perform bedding and backfilling for utili ties in accordance with Section 660, “Excavation, Tr enching, and Backfilling for Utilit ies.”
663.3.3 Sequence of Construction
The Contractor shall submit a proposed sequence of constructio n to the Project Manager for approval at least two (2) w eeks before beginning the utilit y Work. The Contractor shall use a sequence and method for making the connections that minimizes the inconvenience to t he Owner and obtain Project Man ager approval before making the connections to existing lines. To stop the flow of water to make the connection to the existi ng line, the Contractor shall only close existing valves in t he presence of an Owner represen tative.
663.3.4 Fences
The Contractor shall preserve and protect fences in the vicini ty of construction. For the relocation of utilities, the Contractor shall install temporary gates in existing fences (if necessary), if the gates are located only on rights- of-way for the utilities or at other locations for which the Contractor has obtained permission from the Owner for such construction. The Contractor shall remove temporary gates and reconstruct the fence lines to original or better condition afte r completing utility construct ion.
663.3.5 Grading and Cleanup
After backfilling, the Contractor shall grade and level the ar ea. The Contractor shall reshape and grade Roadways to thei r original configurations, in cluding restoration of drainage ditches and other features.
663.4 Method of Measurement
The Department will measure pipes along the centerline of the pipe.
663.5 Basis of Payment
The Department considers the Work described in this section to be included in the Contract. Section 664: Landscape Planting Page 745