Technical SpecificationPlumbing Contents 1. Part 1 - General Provisions ........................................................................ 1 2. Part 2 - Products ......................................................................................... 3 3. Part 3 - Identification and Approval of Materials .................................... 6 4. Part 4 - Substitution and Testing of Materials.......................................... 6 5. Part 5 - Soil, Waste, Drainage and Vent Pipes ......................................... 7 6. Part 6 - Water Distribution System ........................................................... 9 7. Part 7 - Excavation, Pipe Laying and Backfilling .................................... 9 8. Part 8 - Miscellaneous ............................................................................. 10 9. Part 9 - Site Plumbing Utilities ................................................................ 11 10. Part 10 - Test and Disinfection ................................................................ 13 11. Part 11 - Cleaning ..................................................................................... 16 12. Part 12 - Painting and Protection ............................................................ 16 13. Part 13 - Color Code for Exposed Pipes ................................................. 16 14. Part 14 - Warranty and " As Built" Plans ............................................... 17 15. Part 15 - Responsibility ............................................................................ 17 Building storm drains and collection system including peripheral collector line into storm manhole or sump pits and up to existing storm drains. PLUMBING SPECIFICATIONS .Technical Specifications SECTION 15400 PLUMBING SPECIFICATION PART 1 GENERAL PROVISION 1. 4. apparatus. including supply and installation of water tank and pumps piping. 1. 5. transportation. the Code of Sanitation of the Phil. Water supply and distribution system for the building. SCOPE OF WORK A. labor and supervision required for the complete installation and testing of the Plumbing Systems ready for use in accordance with the best practice of the Plumbing Trade as listed herein but not limited to the following: 1. appliances. mechanical.01 SUMMARY A. and/or National Plumbing Code of the Philippines. tools. accessories. equipment. the CONTRACTOR shall furnish all materials. All building sanitary drains waste and venting systems including floor drains. 3. & AC drains. Sewage collection and disposal system such as tapping to the existing sewage manhole /sewer line. 6. Tapping from an existing main pipe of the building distribution system.. and plant boxes drains. 8. canopy drains. All work shall comply with the pertinent provision of the Plumbing Code of the concerned city. Building storm drainage system including deck roof drains. The CONTRACTOR is required to refer to all architectural. Page 1 of 17 Unless otherwise specified.02 The General Conditions apply to all work under this section of the Specifications. 7. 2. fire protection and electrical plans and investigate all possible interference and conditions affecting his work. structural. 12. Test run of transfer.Technical Specifications 9. 10.04 APPLICABLE SPECIFICATION CODES. Codes. The Drawings show the general arrangement of all pipings. 14. ordinances and requirements of the followings: 1. booster & sump pumps and other equipment under Plumbing Works. 1. 4. sewer and venting system plus pressure testing and disinfection of the water supply and distribution system. However. B. Testing for leakage of all water supply and distribution system. B. The Contractor shall arrange such work accordingly. ORDINANCES. Page 2 of 17 PLUMBING SPECIFICATIONS . The contractor shall furnish the Owner final certificates of inspection after the completion of the work. Excavation and backfilling in connection with the work shall be included. 3. Small scale Drawings do not possibly indicate all offsets. 13. drains. 11. PERMITS & FEES A. National Plumbing Code The Code on Sanitation of the Philippines National Pollution Control Commission Ordinances of concerned city or municipality All construction permits and fees required for the work shall be obtained by and at the expense of the contractor. traps valve and accessories as may be required to meet such conditions. fittings and other parts of the system required. where local and/or actual conditions at the jobsite necessitate a deviation or re-arrangement. 1. Preparation and submittal of two (2) sets of as built plans. Furnish of written one (1) year warranty on the plumbing system. The work covered in this contract is to be installed according to the specs. Securing of all permits and licenses as required to include water connection.03 NOTES ON DRAWINGS: A. the Contractor shall prepare and submit the new arrangement for the Architect's or Engineer approval. 2. waste. furnishing such fittings. B Sewer line . female threaded. Storm Drainage Lines .PRODUCTS 2. four (4) copies of a complete list of manufacturer's names of all equipment and materials he proposes to use. the CONTRACTOR shall submit for the Engineer's approval. Downspouts . of 150 psig working pressure. Except as specified. shall be non-rising stem.02 PIPES AND FITTINGS SCHEDULE: A Cold Water Lines . series 1000 II or reinforced concrete pipe (RCP). 50mm & smaller. of 150 psig working pressure.shall be Polyvinyl Chloride (PVC) pipe. The CONTRACTOR is required to refer to the General Conditions and to all architectural.. min. E. B. VALVES Gate Valve .50mm & larger.03 A. structural. PPR Pipe PN 16. flanged connection. C D. All work shall be performed in first class and neat workmanship by persons skilled in their trades and such persons and their work shall be satisfactory to the Engineer.shall be Polypropylene Random Pipe. min. Page 3 of 17 PLUMBING SPECIFICATIONS .shall be polyvinyl chloride (PVC) pipe.shall be polyvinyl chloride (PVC) pipe. PART 2 . 2. within thirty (30) days after award of contract. B. series 1000 II.01 GENERAL A. Vent Pipe .Technical Specifications 1. electrical.shall be polyvinyl chloride (PVC) pipe. all bronze. 2. shall be rising stem iron body with bronze trim. mechanical and fire protection plans and specifications and shall investigate all possible interference and conditions affecting his work. series 600. The CONTRACTOR shall assume the cost of and the entire responsibility for any change in the work as shown on contract drawings which may be occasioned by approval of materials other than those specified.05 WORKMANSHIP & COORDINATION WITH TRADES: A. series 1000 II high Impact. Area Drain Grating Cover – as per approved material.210 kg/sq. Check Valve . Scupper Drain (Tank Drain) – as per approved material. Flanged Joint Gasket – as per approved material B. with float.S.as per Manufacturers Standards. reinforced concrete. Outdoor Pipe Lines and Appurtenances: 1. of 150 psig working pressure. Thrust Blocks .m.140 kg/sq. single seatedtight closing. 5. reinforced concrete 2.140 kg/sq. 3. Page 4 of 17 PLUMBING SPECIFICATIONS . Floor Drain for Toilets (For Ground Floor only) – as per approved material. Area-Drain-Catch Basin . 5. Canopy Drain 6. 2.m. Concrete Drain Pipes (CDP) / Reinforced Concrete Drain Pipes (RCDP) . c. min. Hose Bibbs .04 OTHER MATERIALS A. Federal Specifications GG-P-251.Technical Specifications B.shall be the float & lower type globe valve. Drains 1. bronze or iron material.50mm & larger shall be iron body with bronze trim. reinforced concrete with pre-cast reinforced concrete cover.m.140 kg/sq. Floor Drain for Toilets (For Second Floor & Up) – as per approved material 4. 4.. C. Float Valve . Drainage Junction Boxes . c. c. - as per approved material. Roor/Deck Drain/Parapet Drain – as per approved material. 3. reinforced concrete. flanged connection.20mm standard hose connection. 50mm & smaller same except female threaded connection. flanged connection. 2. polished chromium plated. Screwed Joints . 2. C.U. B. Cistern . male tape-red threads.05 JOINTING A. Cast Iron Soil Pipes (B&S) . Concrete Drain Pipe . PVC Pipes and Fittings .Technical Specifications C.Cement mortar.Oakum and lead (99% purity).Adaptor fittings shall be used. Page 5 of 17 PLUMBING SPECIFICATIONS . E.PVC cement or as per the Manufacturer’s recommendations. F. D. Dissimilar Pipes . the names of suppliers and materials proposed including trade names and/or samples of the materials if deemed necessary. All soil and drainage pipes shall be pitched 6mm per 300mm but in no case flatter than 3mm per 300mm.Technical Specifications PART 3 A. Results of tests shall be submitted to the Architect for evaluation at least 15 days before the material is due for installation on the job. DRAIN AND VENT PIPES: GENERAL Underground soil and waste pipes and fittings shall be Polyvinyl Chloride (PVC). stamped or marked on it. Fitting on all dry vents shall be polyvinyl chloride (PVC) pipe. PART 5 5. Soil & waste pipes above ground shall be Polyvinyl chloride (PVC) Vent pipes shall be polyvinyl chloride (PVC) pipe. Cost comparisons with material originally specified. fixtures. Certificate of test indicating quality. traps. whether on originally specified items or on substitutions. type and classes of product when so required by the Standard. the CONTRACTOR shall submit for the Architect's approval. 2.01 A. 3. B. the manufacturer's trade mark or name. shall be to the account of the CONTRACTOR. Reason for substitutions. Fittings for pipings above ground shall be drainage pattern. accompanied by: 1. B. compared to those originally specified. PART 4 A. Cost of testing of materials. Each length of pipe. Requests shall be submitted to the Architect for evaluation at least 15 working days before installation of subject materials is due. WASTE. and device used in the Plumbing system shall have cast. the weight. Within thirty (30) days after award of the contract. fittings. C. SOIL. Page 6 of 17 PLUMBING SPECIFICATIONS . IDENTIFICATION & APPROVAL OF MATERIALS SUBSTITUTIONS & TESTING OF MATERIALS: Materials intended to be substituted for those originally specified shall be accepted only after a formal request for substitution. All stacks shall be PVC pipes B. Page 7 of 17 PLUMBING SPECIFICATIONS .03 TRAPS A. 5. Main vent riser at 4. Vertical lines shall be secured strongly by hooks to the building frame and suitable bracket or chairs shall be provided at the floors from which they start.Technical Specifications 5. Horizontal lines shall be supported by well secured length heavy duty strap hangers or floor chairs as required. a gravel base 300mm deep and twice the width of the pipe shall be rolled or tamped. Traps shall be of the same diameter as the waste pipes from the fixtures which they shall serve.02 SUPPORTS A. C. so connected as to prevent obstructions. In case of the upper or the only fixture on a soil pipe extended full size through the roof. all traps shall have a water seal of at least 32 millimeters with a brass thumbscrew cleanout at the bottom of the seal. If more than this distance. A vent line shall be wherever practicable. but in no case at a distance greater than 600mm. Every plumbing fixtures shall be separately trapped by a vented water sealed trap as close to the fixture outlets as the conditions allow. C. each section of the pipe being properly bedded. Backfilling shall be carefully placed and tamped for the purpose. in which case. Each vent pipe shall be run separately above the fixtures into the adjacent soil pipes.16 mesh copper cloth. All vertical soil or vent pipes shall be carried up at least 600mm above the roof of the building and the open side ends are to be entirely and securely covered with ga. the branch line shall be vented below the trap and above all small waste inlets. Vent shall be taken from the crown of the fixtures. in such a manner that the pipe lines or connections are not disturbed. B. Soil pipes in trenches under the ground shall be laid true to line and grade on a stable and suitably prepared foundation. B.04 VENT A. In soft ground liable to settlement. direct extension of a soil or waste line. D. a distance not more than 1. a vent shall not be required when said fixture has its center stack.50 meters. except for water closet traps.5 meters long or more shall be connected at the foot with the main water or soil pipes below the lowest vent outlet with a forty five degrees (45) connection. the vent shall run independently through the roof. 5. Cast iron soil and waste pipes. PLUMBING SPECIFICATIONS . 2. All items to be embedded in concrete shall be thoroughly cleaned and free from all rust. except that sanitary tees may be used on vertical stacks. 5. bell and spigot joints caulking with oakum or jute and soft pig lead. type with PVC cement. the followings shall be used. Correctly locate openings of proper sizes where required in the walls and floors for the passage of pipes. socket. 1. screwed or threaded joints. 5. waste and drain lines shall be made with reducing fittings or reducers.07 JOINTS AND CONNECTIONS A. scale and paint. 4. 5. All changes in pipe sizes on soil. outlets and equipment from the gate valves installed in the branch near the riser. Polyvinyl chloride (PVC) pipes. 3.01 WATER DISTRIBUTION SYSTEMS: INSTALLATION A. 5. or long sweep bends. Concrete pipes: bell and spigot or tongue and grooved. use sealant.06 FITTINGS A. Roughing-in for pipes and fixtures shall be carried along with the building construction. PART 6 6. All joints shall be air and water tight. For joining pipes. Vent pipes in roof spaces shall be run as close as possible to the under side of roof with horizontal piping pitched down to stacks without forming traps. All changes in direction shall be made by the appropriate use of forty five degree (45) wyes. Lead to cast iron pipe: brass ferrule wiped on lead side and caulked into cast iron bell.Technical Specifications E.05 ROUGHING-IN A. Where an end or circuit vent pipe from fixtures it shall be connected into the main vent or vent stack. Galvanized wrought iron or steel pipe. Short quarter bends or elbows may be used in soil and waste lines where the change in direction is from the horizontal to the vertical and on the discharge from the water closet. Page 8 of 17 The pipings shall be extended to all fixtures. D. All pipes shall be cut accurately to measurements and shall be worked into place without springing or facing. 7. Materials for backfill shall be free of debris or big rocks. excavation shall extend to a depth 150mm below the pipe bottom and fill with other approved filling materials. 7. E. Accessible Contraction . Where rock is encountered. C. PART 7 EXCAVATION. a minimum of 100mm around the pipe perimeter and 250mm below the finish grade.Technical Specifications B. Horizontal runs of pipe over 15m in length shall be anchored to wall or the supporting structure about midway on the run to force expansion and contraction equally towards the ends. All service pipes valves and fittings shall be kept at sufficient distance from work to permit finished covering not less than 15mm from such work or from finished covering on the different service. PLUMBING SPECIFICATIONS . Unions shall be provided where required for disconnection. properly moistened and compacted to an optimum density that will prevent excessive settlement and shrinkage. Backfill shall be placed in horizontal layers.02 CONCRETE PROTECTION All pipes except concrete pipes and cast iron pipes that will run underground shall be protected with Class B concrete casing. Page 9 of 17 Cleanout shall be of the same size as the pipe.01 MISCELLANEOUS: CLEANOUTS A. Trenches for all underground pipe lines shall be excavated to the required depths and grades.03 MATERIALS A.01 TRENCHES A.Expansion joints shall be made where necessary. PIPE LAYING AND BACKFILLING 7. Changes in pipes shall be made with reducing fittings. Bell holes shall be provided so that pipe will rest on well-tamped solid ground for its entire length. Care shall be taken so as not to weaken the structural portions of the building. PART 8 8. the location of which is extended to an easily accessible place. F. C. B.Technical Specifications 8.65mm and larger. Pipe sleeves shall be installed and properly secured in place at all points where pipes pass through masonry or concrete. B. B. except hub and spigot soil pipes which shall have hangers spaced not over 1. B. or collars spaced not more than 9m apart. Every plumbing fixtures or equipment requiring connection to the drainage system shall be equipped with a trap.4 mm clearance around the pipe or insulation. Page 10 of 17 PLUMBING SPECIFICATIONS . Hangers shall have short turnbuckles or other approved means of adjustment. 8.05 PIPE SLEEVES A. C.04 HANGERS AND SUPPORTS A. Hose bibbs shall be made of brass with 15mm male inlet threads hexagon shoulders and 20mm connections. 50mm and smaller split ring type with 10mm iron rods with inserts plates.4mm x 25mm flat mild steel or black iron with 15mm round rod with plates and nuts. toggle bolts. 8.03 VALVES AND HOSE BIBS A. No fixture shall be double-trapped. Pipe sleeves shall be of sufficient diameter to provide approximately 6. E. clamps or expansion shield. Vertical runs of pipe shall be supported by wrought iron clamps.52m apart and located near the hub.02 TRAPS A. D. Valves shall be provided on all water supplies to fixture as specified. band type 6. Pipe sleeves in concrete beams or concrete slabs shall be wrought iron or steel pipe. Water and Vent Pipe . 8. Pipe sleeves in walls and partitions shall be of cast iron. wrought iron or steel pipe. Inserts shall be of cast steel and shall be of type to receive a machine bolt or nut after installation. Each trap shall be placed as near as possible to the fixture. Horizontal runs of pipe shall be hung with adjustable wrought iron or malleable iron pipe hangers spaced not over 3m apart. The entire site plumbing utilities system shall be laid out and installed consistent throughout with the given slope in the plans. carefully shaped true to line and grade.Technical Specifications D. A gasket placed around the pipe. b. trenching and backfilling for utility system. Bedding surfaces shall be provided a firm foundation. PART 9 SITE PLUMBING UTILITIES: 10. and junction boxes shall possess such leak-proof and see page-proof integrity achieve with the works called for under this particular section of the Specifications. Trench excavation and backfilling shall be as specified in excavation. D. 2. Concrete Drainage Pipe: 1. The space between the pipes and sleeves shall be made water tight by inserting a packed oakum gasket and filling the remaining space with poured lead caulking thoroughly. PLUMBING SPECIFICATIONS . Where pipes pass through waterproofing membrane. Cement mortar shall consist of one part Portland cement and 1½ part clean sharp sand with only enough water for workability.75. Pipe joints and connections to area drains. C. catch basin. E. Pipe shall be reinforced concrete pipe (300 mm dia & larger) and non-reinforced concrete pipe 250 mm dia & smaller conforming to ASTM C14. Installation: Page 11 of 17 a. B. Materials. the sleeves shall be provided with an integral flange or clamping device to which a flashing shield can be soldered. Concrete pipe shall be laid carefully with hubs upgrade and ends fully and closely joints. Joints shall be cement mortar.01 GENERAL A. Junction boxes for storm & sanitary (sewer) drainage lines outside the building shall be cast-in place reinforced concrete sections and precast concrete cover. as directed by Engineer.Technical Specifications The gasket shall be in one (1) piece of suitable diameter (not less than 19mm and shall be lapped at the top. The joint shall be completely filled with cement mortar and rammed thoroughly with a wooden caulking tool. Unstable soil shall be removed and replaced with gravel or crushed stone. B. Trench excavation: Banks of trenches shall be vertical. Ground adjacent to all excavation shall be granted to prevent water running. as directed by the Architect. Soft materials shall be reported to the Engineer. which shall be thoroughly tamped. or to conform to governing laws. as required for safety. The joint shall then be overfilled and finished to smooth level outside. D. Page 12 of 17 PLUMBING SPECIFICATIONS . gravel. Excavated materials not required for fill or backfill shall be removed from site as directed by the Engineer and disposed of by the Contractor. Loose earth or gravel shall be used for backfill.02 EXCAVATION FOR STORM AND SANITARY (SEWER) DRAINAGE SYSTEM A. Rock Excavation: Rock excavation shall include removal of boulders larger than ½m 3 in volume and ledge rock concrete or masonry structures that required drilling/melting. sand. excavation shall be carried 200mm below bottom of pipe. and tamped thoroughly and rounded to receive pipe as above. and thoroughly tamped.03 TESTING Test: Test for workmanship on utility lines shall be conducted in accordance with the applicable utility specification before backfilling. Excavation for accessories to have 300mm minimum and 600mm maximum clearance in all side. Excavation shall not be carried below the required depth. The Engineer shall determine the depth of removal of unstable soil. Excess excavation below required level shall be backfilled at the Contractor's expense with earth. 10. General: The contractor shall do all excavation of whatever substances encountered below depth shown on drawings. C. Bracing and Shoring: The Contractor shall do all bracing sheathing and shoring necessary to perform and protect all excavation as indicated on the plans. The gasket shall be saturated. The Contractor shall removed by pumping or other means approved by the Engineer any water accumulated in excavation and keep trench unwatered until the bedding is complete. or concrete. 10. With that cement before being placed and rammed. In rock. 3. Page 13 of 17 PLUMBING SPECIFICATIONS . 1. moistened and compacted. lumber or debris. It may be required at the option of the Engineer in sandy soils. wood forms and other debris. The entire drainage and venting system shall have all necessary openings plugged to permit the entire system to be filled with water to the level of the highest stack vent/or vent stack above the roof.01 DRAINAGE SYSTEM TEST A. The system shall hold this water for a full thirty (30) minutes during which time there shall be no drop more than 100mm. It may be required at the option of the Engineer in sandy soils. B. The remainder of backfill material shall be placed. trash. Each layer shall be thoroughly and carefully rammed until 300mm of cover exists over pipe. Each layer shall be moistened and compacted with mechanical or hand tampers. Each layer shall be thoroughly and carefully rammed until 300mm of cover exists over pipe. PART 10 TESTS AND DISINFECTION: 11. Materials shall be placed in 200mm maximum layers after filling 300mm above pipe as previously described. Trench under areas to be paved. The remainder of backfill material shall be placed. Backfilling: After pipes have been tested and approved. Water setting will not be permitted in clay soils. Trench backfill materials shall be placed evenly and carefully around pipe in 150mm maximum layers. trash. Backfill material shall be placed symmetrically on all side in 200mm maximum layers. The CONTRACTOR shall refill for settlement all backfilled areas. It shall be free from rock. The CONTRACTOR shall clean up and disposed of all excess materials. Maintenance. Water settling will not be permitted in clay soils. moistened and compacted. C. shall be compacted to density equal to that of adjacent materials so that pavement can be placed immediately.04 BACKFILLING A.Technical Specifications 10. 2. backfilling shall be done with approved materials free from large rocks or stones. and debris shall be removed and cleared away. Structures: All forms. Clean-up. Approved backfill material may be from excavation or borrow. In area to paved. B. fittings. at point of highest elevation. B. Each section of pipe line shall be slowly filled water and the specified test pressure. To accomplish this taps shall be made. Leakage test shall be conducted after satisfactory completion of the pressure and shall consist of an examination of all exposed joints for leakage as well as on overall leakage test completed pipelines. at point of highest elevation. they shall be removed and replaced by the contractor with sound materials at his own expense. The test shall be repeated until satisfactory results have been obtained. and after completion of the test the taps shall be tightly plugged unless otherwise specified. If found to have cracked or defective. After the pipe have been installed. all air shall be expelled from the pipe line. if necessary. The duration of each pressure test shall be at least 10 minutes unless otherwise specified by the Architect. they shall be removed and replaced by the Contractor with sound materials at his own expense. all newly installed pipe or any valve section therefore. PRESSURE TESTS FOR WATER LINES: A. 11.02 Each section of pipeline shall be slowly filled with water and the specified test pressure. and after completion of the test the taps shall be tightly plugged unless otherwise specified. The pressure to be maintained during the test shall be the design working pressure of the system. C. if necessary.Technical Specifications C. measured at the point of lowest elevation shall be applied by means of a pump connected to the pipe in a manner satisfactory to the Architect.03 LEAKAGE TEST FOR WATER LINES A. During the filling of the pipe in and before applying the test pressure. fittings. B. valves joints and couplings will be carefully examined. all air shall be expelled from the pipe line. shall be subjected to hydrostatic pressure 1½ the designed working pressure of the system or as specified by the Architect. The test shall be repeated until satisfactory results has been obtained. During the filling of the pipe and before applying the test pressure. Leakage test shall be made only after a minimum of 24 hours after the Page 14 of 17 PLUMBING SPECIFICATIONS . If found to be cracked or defective. To accomplish this taps shall be made. C. valves joints and couplings will be carefully examined. During the test all exposed pipes. During the test all exposed pipes. the joints completed and with joints exposed for examination. measured at the point of lowest elevation shall be applied by the means satisfactory to the Architect. 11. 5 2. F.00 200 14.50 100 7. B. E.8 2. 11.30 4. The entire water system shall be thoroughly flushed and disinfected with chlorine before it is placed on operation. C. G. Page 15 of 17 PLUMBING SPECIFICATIONS . No structures shall be closed until all joints have been inspected for leaks. The duration of each leakage test shall be two hours unless otherwise specified by the Architect. LITERS/HR. all air shall be expelled from the pipe.05 DISINFECTION OF WATER DISTRIBUTION SYSTEM AND WATER TANKS (as per AWWA C 601) A.90 75 5.04 DEFECTIVE WORK: A.3 1.05 4.80 H.50 5. All repairs to piping shall be made with new materials at the expense of the contractor. D. --------------------------------------------------------------PRESSURE LEAKAGE RATE --------------------------------------------------------------PSI KG/CM LITERS/HR.0 2. Allowable leakage rate per 100 joints per inch of Pipe Diameter at Pressure.Technical Specifications pipe to be tested have been filled with water. fittings. measured at the points of lowest elevation shall be applied by means of a positive displacement type pump and reservoir connected to the Pipeline. If the inspection or test shown any defect.10 125 8. valves and joints shall be examined for leakage during the test. 11.5 1. Before starting the leakage test.90 5.75 3. No caulking of screwed joints of holes will be accepted. such defective work or material shall be replaced and the test shall be repeated until satisfactory to the Architect. All expose pipes.0 2. Water tanks shall be washed and swabbed. Each section to the pipeline shall be slowly filled with water at specified pressure.60 150 10. --------------------------------------------------------------50 3.45 2. Chrome or nickel plated piping. The fixture shall be cleaned to the satisfaction of the Architect upon completion and prior to acceptance of work. PART 12 PAINTING AND PROTECTION: A. All valves in water lines being sterilized shall be opened and closed several times during the 16 hours chlorinating period. C. C. Expose galvanized iron pipe and fittings that are 1 mil asphalt coated shall be given two coats of shellac prior to application of two coats or oil paint as directed by the Architect or his authorized representative. All plumbing fixtures shall be properly protected from used and damage during the construction stage. PART 11 CLEANING A. fittings and trimmings shall be polished upon completion.Technical Specifications B. All equipment. B. Any clogging. Page 16 of 17 PLUMBING SPECIFICATIONS . D. discoloration or damage to other parts of the building due to the system shall be repaired by the Contractor. Pipe hanger supports and all of the iron work in concealed spaces shall be painted with one coat of asphalt. D. B. E. All exterior of pipings to be installed in or through concrete floors and underground shall be given one coat of acid resisting paint having a bituminous base.20 ppm). Chlorination materials shall be liquid chlorine of hypoclorite as specified and shall be introduced into the water lines in manner approved by the Engineer. C. dirt or other foreign materials. All exposed metal surfaces shall be free of grease. Following a contact period of not less than sixteen (16) hours. Pipes. the heavily chlorinated water shall be flushed from the system with clean water until the residual chlorine content is not greater than two tenth (0. Tanks shall be thoroughly cleaned of all debris dirt or dust before swabbing. valves and fittings shall be cleaned of grease and sludge which may have accumulated. The chlorine dosage shall be such as to provide not less than fifty parts per million (50ppm) of available chlorine. Technical Specifications PART 13 COLOR CODE FOR EXPOSED PIPES A. equipment and fixture shall be guaranteed by the CONTRACTOR for satisfactory service for a minimum period of one (1) year. Throughout the construction period open ends of all installed pipe lines shall be kept closed by temporary plugs. All exposed pipings shall be adequately and durably identified by distinctive colored paints as follows: ITEM COLOR CODE cold water pipe hot water pipe storm water pipe sewage pipe vent pipe waste pipe blue blue w/red band @ 1. PART 15 RESPONSIBILITY A. in strict accordance with the Plans and Specification. B. 3. aluminum black green gray PART 14 WARRANTY & "AS-BUILT" PLANS: A. the complete plans of the entire system as actually built. Submittals of "AS-BUILT" Plans shall be conditions to final payment.0m O.C. The CONTRACTOR shall submit to the Owner in reproducible form plus three (3) sets of white prints. Page 17 of 17 PLUMBING SPECIFICATIONS . A temporary fire protection system shall be provided by the contractor during the construction operations. This is in addition to temporary fire extinguisher required. Drainage lines shall not be used to conduct dirty construction wash water especially those with cement mixes to avoid possible clogging. 1. The cost of those shall be borne by the contractor. 2. The general CONTRACTOR shall be responsible for the coordination among the different trades on the job in order to finish the work in the least possible time. All works. END OF SECTION -------------- Page 18 of 17 PLUMBING SPECIFICATIONS .Technical Specifications 4. A temporary human extra disposal system shall be provided by the contractor to serve the worker during the construction period. 5. A temporary potable water supply shall be made available to construction workers at every floor as construction progress. --------------.