REPAIR/ REPLACEMENT AND CERTAIN MISC REPAIR OF WATER SUPPLY SYSTEM OF BAPATLA PUMP HOUSE AND SURYALANKA PUMP HOUSES AT AF STATION SURYALANKA

Amount

S&F in repairs of PVC Float valves of size 20mm dia with rod of length not less than 325mm and 8mm dia with suitable size ball along with fittings like reducers etc for the fixing the valve to tank inlet pipe complete all as specified and as directed.

Supply Only of Liquid Chlorine Sodium HypoChlorite (Grade-I) for Drinking Water, Chlorine percentage by mass by Vol is 4.0-6.0% (all Characteristics are as per IS-11673) in sealed non - Chemical reactioned/Oxidation LDPE containers of 60kg Tanks, as required on Monthly basis with Manufacturers test certificate and Date markes not more than 02 week old complete all as specified and as directed.

M & L for rewinding of induction motor by means of cutting and removing existing burnt out winding completely, cleaning and repair of slots and rewinding with new copper wire of existing gauge and size/turns, varnishing with class B insulation, assembling the motor complete, testing at workshop complete all as specified and as directed for the following capacity :-

20 HP 3 phase

10 to 12.5 HP 3 phase

5 to 7.5 HP 3 phase

3 HP 1 phase

2 HP 1 phase

1 HP 1 phase

0.5 HP 1 phase

S&F in repair 32mm outer dia, ISI marked 3-layer PP-R polypropylene random copolymer pipes SDR 7.4 (PN-16) UV stabilized and antimicrobial welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylene random fittings fixed complete to walls, ceilings or in floors etc. including taking up existing unserviceable pipes of any type complete all as specified and as directed.

S&L in repair Ductile Iron pipes 150 mm dia with spigot and socketed ends class k-9 in any length with internal cement motar lining and external zinc and bitumen coated confirming to IS:8239-2000 including push on rubber gasket joints and laid in trenches as per IS 12288 complete all as specified and as directed.

-Do- But 100 mm

M & L in replacement of CI bend (any type, any radius and angle) tapers any type (straight bends, increasing or decreasing or double socket etc) Tee pieces single branch, double branch cross (all socket or socket and spigotted/ flanged), collar, caps and plugs all as specified and suitable for tyton rubber joints upto 150 mm dia bore complete all as specified and as directed.

Supply of iron D Clamp made out of MS flat not less than 50mm width not less than 5 mm thick, suitable size for 150mm DI pipe, 25 mm GI socket welded to D clamp with necessary gaskets, nuts and Bolts for connection, including two coat of red oxide paint complete all as specified and directed.

All as above but suitable for 100mm DI Pipe.

S & F in repair Sluice valve 100mm dia, Class PN 1.6 complete set as per site requirement complete all as specified and as directed.

M&L in repair for Unplasticized PVC 50 mm pipes of pressure rating 10 kgf/cm2 laid in trenches as per site requirement including Bends, elbows and sockets etc complete all as specified and as directed.

-Do- But 110 mm (For Shallow Wells)

M&L PCC 1:2:4 type D-2, using 20 mm graded stone aggregate including demolishing the existing damaged foundation, provision of necessary form work / brick work where required including necessary foundation joints and finishing fair to the exposed surfaces, complete all as specified and as directed.

S&F in replacement of rusted base frame of MS fabricated incl vibration pad, washers, nuts, bolt, studs, thimbles of Pump Sets of capacities from 10 HP to 20 HP, centrifugar or monoblcok type, fixing properly on foundation joints with nuts and washers complete all as specified and as directed.

M & L for taking out pump sets of capacities from 10 HP to 20 HP (centrifugar or monoblcok type) from foundation, disconnecting the water and electric connection and refixing on new base frame and fixing properly with nuts and washers, incl all types of cutting / threading / welding/ grouting work, making all electrical and water connections, fixing the delivery and suction pipeline as per site requirement for smooth functioning of water distribution / pumping complete all as specified and as directed

M & L for attending the emergent complaints for unserviceable/ break down/ fault of water supply pump sets of any capacity including carrying out minor repairs in electrical supply system in control panel and motor terminals etc after finding the fault as required to make the pump set in order to functional complete all as specified and as directed by Engr-in-charge. (Note : (i) Rate inclusive for minor items like fuse wire, copper cable etc . (ii) Major items like starter, contractor etc will be paid separately in respective items.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth and getting out in soft/ loose soil, for under ground electric cable, pipes etc. complete all as specified and as directed.

Returning, filling-in, including, spreading, watering and well ramming in layers not exceeding 25 cm thick each, in soft /loose soil complete all as specified & directed.

Removing excavated surplus soil to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and as directed.

Cutting existing road/PCC for laying of DI pipe of sizes 150/100mm including necessary earth work, excavation upto 600mm depth but not exceeding 1 mtr depth, wide upto 450mm but not exceeding 800mm including making existing surface with PCC 1:2:4 type B1 using 20 mm aggregate, thickness of concrete is 150mm and making good the disturbed surface to match with existing surface complete all as specified and directed. Note :- The tenders shall take into consideration for following points while quoting his rate for this item and the unit rate is deemed be included for :- i. Earth work excavation in any type of soil ii. Returning filling in , including spreading , leveling , watering and well ramming in layers not exc. 25 cm thick complete all as specified and as directed. iii. Removing excavated material to out side MD land iv. 150 mm thick PCC 1:2:4 type B1 as in road.

BEST ENGINEERING (BID ID -3258283)