PROVISION OF BORE WELLS AT NAVAL BASE KARWAR UNDER GE SB KARWAR

Amount

Total amount of Sch 'A' Part-I (BUILDING and STRUCTURES) brought forward from Serial Page No.25(R)

Total amount of Sch 'A' Part-II (EXTERNAL WATER SUPPLY) brought forward from Serial Page No.26

Total amount of Sch 'A' Part-III (EXTERNAL ELECTRIFICATION) brought forward from Serial Page No.28

Sch 'A' Part- IV - MISCELLANEOUS ITEMS Note : This schedule is not pre priced by MES and the pre priced rate indicated as "Rs. 0.00" under Col.5 signifies this fact only.

Bore well / External Water supply

Material and labour for transportation from one drilling site to the next site of the down the hole hammer drilling rig along with the compressor. supports truck all the allied drilling instruments diesel and oil barrels screw and labourers for all leads.

Material and labour for setting of drilling rig on the drilling site and its shifting after completion of bore wells, drilling 203/150 mm dia bore hole in any kind of soil,boulders ,rock etc upto 50 meter depth and collecting and supplying representative sample of all soil /rock strata encountered during drilling etc complete. Over burden drilling 203mm dia and drilling through rock should be 150mm dia.

All as per item No 4.02 hereinbefore, but for 50 meter to 100 meter depth

All as per item No 4.02 hereinbefore, but for 100m to 150m depth

Material and labour for development of borewell using air compressor air/back washing for a period of and less than hours until all lines are flushed out and steady discharge is attend & measuring the well discharge on 90 degree V notch or with a barrels and stop watch. Bore wells by using compressed air back washing for a minimum period of two hours and all fines are flushed out including equipment for re-drilling and its removal after completion

Material and labour for Providing 150mm dia G.I pipes Medium grade (class B) conforming to IS 1239/1973 for casing pipe including seam collar coupling etc. complete and lowering the casing pipes in the drilling holes including fixing the pipe with socket of welding etc. complete.

Material and labour for Providing and fixing threaded well cap of cast iron/ GI suitable for 150mm dia casing pipes for bore wells all as directed. Note: After completion of the work well cap will be used to keep the bore well closed until the submesible pumping set is installed.

Material and labour for supply, instal, commissioning and testing of submersible pump etc. of max 150mm dia bearing ISI Mark, pump conforming to IS 8034 1976 with over efficiency of pump being more than 50% and motor conforming to IS9283/1976 to operate on 415 volts (10%-15%) SNY AC supply suitable for vertical installation in bore well of 150mm internal dia. Capable of delivering below mentioned discharge against respective dynamic head including all necessary accessories such as strainer guard pressure compensation device standard cable lead, built in no return valve pump motor coupling etc. complete. The impeller and diffuser should be made of noryl / industrial plastic and stainless steel housing and stainless steel shaft having resistance to abrasion discharge in Ipm 1001pm. Dynamic head in meters -90m etc complete as directed by the Engineer in Charge.

Material and labour for supply, fix and commissioning PVC sheathed submersible cable of size 1X3X2.5 sq mm with accessories suitable for submersible pump sets conforming to IS specification etc. with necessary cable supporting clamps (rubberized) for gripping and connecting to switches etc. complete as directed by the Engineer in Charge.

Material and labour for supplying and fixing at site of square threaded UPVC pipe 50mm dia suitable for submersible pump non corrosive column pipes etc. complete all as specified and directed by Engineer in-charge.

Material and labour for supplying cast iron adapter connecting from pump to UPVC pipe to G.I pipe UPVC adaptor and other materials including testing the joints etc. of size 50mm dia complete all as specified and directed by Engineer-in-charge.

Supplying and testing of 16mm nylon rope to submersible pump for the bore well all as specified and directed by Engineer-in-Charge. .

Supplying and fixing 50mm G.I elbow heavy duty, 50mm GI branch,heavy duty bore well clamp, 50mm socket, 50mm non return valve, bolt & nut as bore well all as specified and directed by Engineer-in-charge. .

Material and labour for Hydrological survey report, transportation charges and site report for each bore well all as specified and directed by Engineer-in-Charge.

OUTGOING: (e) MCCB 4 pole 40 amps having breaking capacity Icu = 25KA with adjustable and setting 1 No (For Starter) (f) MCB SPN 25 amps having breaking capacity Icu = 10 KA 02 Nos (For Pump house light)

Supply and fix MCCB, 4 pole, 415 Volt AC supply, 40 Amps having breaking capacity Icu = 25 KA with adjustable load setting including sheet metal enclosure and copper strip spreader suitable for connection of LT cable 35 Sqmm complete all as specified and directed by Engineer-in-charge. (At existing LT panel)

Earthing complete with galvanized steel earth electrode 60 cm x 60 cm x 6 mm thick buried directly in ground (not less than 2.25 meters deep below ground level) with top edge of the plate not less than 15 meters below normal ground level, connected to galvanized earth wire 4.0 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No 3 or SSR 2009 Part: connected to earthing test point all as specified or Indicated including testing on completion and PCC pit type C1 (1:6) in cement concrete & 40 mm thick precast RCC cover in (1:2:4) type B1, reinforced with 8 mm dia MS round Bar 75 mm C/C both ways with 02 Nos lining handles of 12 mm dia MS plain bar, Gl pipe 20 mm dia light grade with funnels & wire mesh for watering and 15 mm dia medium grade Gl pipe for earth strip protection etc complete all as specified and directed

KVL CONSTRUCTION

M/S MANOJKUMAR M NAGARKATTE

M/S KVG CONSTRUCTIONS