PWRJT20027/ Coating refurbishment work of 4.064 Km of SMPL with Cold applied tape under Surendranagar Jurisdiction

Coating & Wrapping refurbishment of 28 inch diameter pipeline with owner supplied Cold applied tape as per specifications /directions specified in SCC in all respects. (a) Excavating in all type of soil in all the depths including hard murrum and soft rock for exposing existing pipeline normally buried at 1.5 to 2.5 m. The depth may be higher in some stretches and also near road/ rail / river / nala/ cart track crossing, including keeping top layer of soil separately, bailing out of water, shoring strutting etc. (b) Removing of old coat & wrap with scrappers using wooden/ brass hammers etc. (c) Cleaning the pipe by blasting using abrasive media (here Copper slag) as per tender specifications and instructions of Site Engineer / EIC. (d) Applying one coat of owner supplied liquid adhesive fast drying synthetic primer over the cleaned surface with the help of good approved quality bristle type painting brush / spray. (e) Applying first layer of 3ply cold applied tape (Inner) for corrosion protection on the surface of primed pipe after touch dry with minimum overlap of 50% as recommended by the manufacturer followed by another second layer of 2 ply cold applied tape (outer) coating or as recommended by the manufacturer. (f) Backfilling of the trench after holiday detection test to be performed by contractor as per specifications. The contractor shall properly provide compaction of the backfilled earth & restore the worksite to original conditions. (g) Restoration of the ROW to the satisfaction of the Owner as per the direction of EIC or his representatives.

Sleeving of Mainline: Type A : Fabrication, fitment, and welding for Full encirclement sleeves for epoxy grouting from owner supplied 28" dia pipes over pitted sections of the exposed pipeline including testing / inspection (DP/Tell tale test), supply of all equipments, consumables, labour etc. required to complete the work in all respects as per the specifications and directions of the Site Engineer/E-I-C. Pipes will be supplied by the Owner from Owner's Store Yards at Vadinar/Gauridad/Viramgam and shall be transported to site at the Contractor's risk & cost for sleeving of 28" dia pipeline. Type B : Fabrication, fitment and welding of full encirclement direct welding type sleeves from owners supplied 28" dia pipes over pitted sections of the exposed pipeline including testing/inspection (DP/Tell tale test), supply of all equipments, consumables, labour etc. required to complete the work in all respects as per the specifications and direction of the Site Engineer/EIC. Pipes will be supplied by the Owner from Owner's Store yards at Vadinar/Gauridad/Viramgam and shall be transported to site at the Contractor's risk & cost for sleeving of 28" dia pipeline.Note: (1) Net length of the sleeve over pipe shall be the determining quantity of sleeving work for making payment to the Contractor Note: Rate for this item is fixed & Bidders are not allowed to quote for this item. (Quantity: 105.5 Mtr X Rate: Rs. 13103.0 = Amount: Rs. 1382366.50)

Excavation & Backfilling: In case after excavating the stretch (which stretch was given in tender) for C&W refurbishment, there any new coating found (as per EIC/SE decision), then no need to carryout C&W work as per SOR item no.2 and contractor shall back fill that stretch as per the directions of Site Engineer/EIC. Note: Rate for this item is fixed & Bidders are not allowed to quote for this item. (Quantity: 1046.0 CUM X Rate: Rs.198.0 = Amount: Rs. 207108.00)

Epoxy Grouting of Sleeves: Supply & application of metaceal or equivalent compound at ends of A type sleeve in the gap. Supply and application of Epoxy compound between sleeve and carrier pipe (pipe size of 28" dia.) at a pressure of 5-10 kg/sq.cm alongwith supply of pumps, necessary connection with valves, threaded female coupling, drilling of holes of requisite sizes, including supply of all labour, materials, tools and tackles/equipments, transportation etc. and to complete the epoxy grouting in all respects as per the directions of Site Engineer/ E-I-C. Note: Rate for this item is fixed & Bidders are not allowed to quote for this item. (Quantity: 26.38 Mtr X Rate: Rs. 17173.0 = Amount: Rs. 453023.74)

Sand Padding as per tender at rocky/murrum areas/ areas having soil resitivity less than 1000 ohm-cm as per instructions of Site engineer / EIC, as per drawing.

Payment for supplying and providing Rockshield: Supply and providing of owner approved Rock shield all around the pipe where hard rock is encountered. Rock shield shall be of extruded polyethylene mesh and meet the requirements specified in technical specifications. The application procedure of the system will be in strict adherence to the procedure laid by the manufacturer. The Contractor shall obtain prior approval from the Engineer-in-Charge for the rock shield material and its application procedure.

Payment for WBM Road/concrete road/metal road cutting, including shoring, shuttering, providing bypass etc: Cutting/excavation of roads, in locations where the trench is cut across roads including shoring, shuttering and providing temporary bridges/ suitable bypass of adequate strength & proper construction to allow the passage of normal traffic with minimum of inconvenience and interruptions. The contractor should make good and restore such roads etc. to its original condition without any extra cost. This is extra payment for road cutiing, providing bypass etc.

JAIN CONSTRUCTION COMPANY

Keshayona Procon Limited