WBPHED/14_02/EE/BOLMD/24-25

Amount

Labour charges for boring through any type of soil for sinking of tube well of required dia with top enlargement by rig boring system (either by reverse circulation or by direct rotary method) including hire charges for rig machine, tools and plants, staging, force pumping set and making arrangement for water required for boring etc. complete and following of pipes, strainers, blind pipes etc. complete as per Direction of EIC ( Average Depth of T/W is 150Mts)

(A) For 150 mm dia pipe lowring of first 51 Mtr.

(b) For 100 mm dia pipe lowering for next 99 Mtr.

Labour charges for praparation of sites, cutting of bushes , making approach road for placement of rig units, digging of mud pits, various etc. and proper refilling of the same after complition of whole work as per Direction of EI ( within 4 km from approach road

Mobilization of all machineries, equipments and accessories on urjent basis to the work site as per direction of EIC.

Supply and delivery of Upvc pipe(CD) Conforming to IS 12818:2010

(i) 150 mm dia

(ii) 100 mm dia

(i) 100 mm dia UPVC Slotted strainer having minimum 0.5mm slot over UPVC PIPE( SCHEDULE- 80, conforming to ASTMD- 1785) .

(ii)Supply and delivery of 100 mm dia CI steel cutter with plug upto 450 mm long with socket and thread suitable to fit with UPVC pipe.

Supply and delivery of 150 mm dia G.I. Cap at top.

Supply and delivery of 100 mm dia GI pipes (Medium) with necessary sockets (approved make each .5 mtr length)

Supply and delivery of 150 mm dia MS clamp by MS flat with extended arm ( Arm length mimimum 200mm / as per side condition) with 4 Nos. nut bolt arrangement as per direction. The rate inclusive of proper fitting fixing of clamps.

Supply and delivery of Bentonite Powder( approved make) 3 bag x 2

Labour for making arrangement for showing verticality test including the cost for hire charge tools and plants, scaffolding, labour etc. all complete.

Gravels and sand packing of T/W

Collection of water samples for physical, chemical and bacteriological test in stabilized bottles maintaning proper procedures & carrying to designated PHE laboratories & report collection and submission of reports in triplicate as per Direction of EIC. [ The rate are exclusive of cost of testing]

Development of of t/w by compressor and other accessories including yieldtest by V notch and other accessories as per direction of EIC. The rate inclusive of cost of materials fel lubricants labour charges and other incidental charges required to complete the work.

Supply & delivery at site 32mm dia. UPVC standard type column pipe (cream color) with both side threaded and one end side socketed with registered KPMG. Make - Ashirbad/approved make.

3 mtr. Long.

Supply and delivery of following materials:-

a) 1 HP Solar sub pump V4(Full SS 304), Head 50 Mtr( Range 50 to 65 Mtr), Voltage-110 AC 3 PH. Make-Kirloskar/approved make

b) 1 hp solar pump controller(110 volt-AC),.K VFD-Delta, Controler Type-DC supply only. Input-1200WP,80-180 V DC. Output--110 volt,7.5A, 50 HZ--Make-approved make

c) 2.5Sq. mm 3 core copper water proof flat subme r s i b l e cab l e (Make : Finolex/Havells/Mescab/approved make)

25mm dia P.V.C pipe

Laying of submersible cable through 25 mm dia pvc pipe and specials for protection of submersible cable from Starter to Tube well with proper clamping

Add: GST @ 18% on sum of Item No: 1 to 16

Add Cess @1% on sum of Item No. 17

SUNIL RABIDAS

Birbhum Electric Works