Drilling and development of 01 no 150 x 150 mm dia SBDTW with contractors mini rig at RGM Hospital within the jurisdiction of DWS Sub-Division, Kailashahar 2026-27

Drilling and boring pilot hole in any soil strata by mini drilling rig, collection of soil samples of different strata met with during drilling at various suitable levels, preservation of samples in polythene bags / sample boxes and disposal of excess soil or mud, including the cost for bentonite, water etc. as required to maintain the pilot hole properly as per specification ( IS : 2800 (part-I)) and direction of the Engineer - in - charge. with contractor's mini rig 150 mm dia

Reaming of pilot hole to an enlarged bore hole in any soil strata by mini drilling rig, disposal of excess soil or mud, including the cost for bentonite, water etc. as required to maintain the bore hole properly as per specification ( IS : 2800 (part-I)) and direction of the Engineer - in - charge. with contractor's mini rig from 150 mm dia pilot hole to 350 mm bore hole

Washing of enlarged bore hole of 350 - 550 mm dia in any soil strata by mini drilling rig, disposal of excess soil or mud, including the cost for bentonite, water etc. as required to maintain the bore hole properly, including lifting of drill pipes as per specification ( IS : 2800 (part-I)) and direction of the Engineer - in - charge. with contractor's mini rig

Providing & lowering of UPVC pipe as per IS:12818 after washing of the bore hole by mini drilling rig as per specification and direction of the Engineer - in - charge. with contractor's mini rig i) UPVC 'CM' casing pipes a) 150 mm dia

ii) UPVC 'RS' pipes a) 150 mm dia

Providing and fixing of UPVC end cap / well cap suitable for UPVC 'CM' casing or 'CS' casing or 'RS' pipes as per specification and direction of the Engineer - in - charge. 150 mm dia

Providing and fixing of housing clamp ( made with 12 mm thick MS sheet ) along with well cap (made with 10 mm thick MS sheet ) with necessary arrangements for SBDTW as per specification and direction of the Engineer - in - charge. 150 mm dia

Providing and shrouding of the deep tube well assembly with washed pea gravels ( 2.0 - 4.75 mm effective size ) as per specification ( IS : 4097) using deep drilling rig and direction of the Engineer - in - charge. with contractor's rig with pea gravels obtained from Durgapur, West Bengal.

Washing and development of tube well by using hand pump or by any suitable method and testing of the well as per specification and direction of the Engineer - in - charge.

Supplying and fitting fixing of M.S (18 SWG) KIOSK (size :- width 450 mm x length 1200 mm x heght 850 mm) fitted with 04 nos support of 75 mm (6 mm thick) M.S angle for embedding in 1:2:4 cement concrete base (size 300mm x 300mm x 600 mm) with proper locking arrangement and coated with anti corrosive paint (both inside and outside ) in/c necessary provisions for fitting fixing of single phase motor starter unit, main switch, energy meter etc. complete in all respect as per direction of E.I.C