Instalation of 150mm dia meter of 50m average depth SHALLOW TUBE WELLS AND YIELD TEST UNDER JALANIDHI-II SCHEME

Amount

Labour for drilling a perfectly vertical bore hold of 300mm diameter up to 50 Mtr. depth below ground level through and unconsolidated formation with direct circulation mud rotary/reverse circulation rotyary rig as required to suit the site condition as per the direction of the Engineer in charge ibncluding use of own rigs with its accessories, tools and plants and consumable etc. for lowering of 150mm diameter PVC pipe(ASTM)for housing fitted with socket and with well screened as per necessity for soft/medium, hard/boulder formation 0 to 50 Mtr.

Lowering the following size of PVC Casing pipe/slotted pipe as per necessity from ground level and fitted and fixed of perfectly in vertical in vertical position including cutting and threading and supplying all jointing materials, tools and plants etc. Complete and keeping the top of teh casing pipe threaded including clubbing the Tube Well to prevent entry of foreign materials from above and packing gravels around the casing in the annular space as per the direction of the Engineer. 0 to 50 Mtr.

Cost of 150mm dia PVC ASTM(D)Sch.80 casing pipe of reputed make as per ASTM-(D)1785/2004 with manufacturer name should be prominently be marked with CIPET Test certificate on the body of the pipe in indeliable ink or stencilled to the certifiation of the Engineer in charge, including transportation to site etc. 50 Mtr.

Cost of slotting charges of 150mm dia PVC(ASTM-D)Sch-80 pipe-12 Mtr.

Cost of bentonite drilling mud, including transportation to site, etc. 10 bags

Graded and washed gravgel of 'B' grade, 3 Cum.

Cost of 150mm dia PVC Cone-1 No.

Cost of 150mm dia PEV end cap - 1 no.

Cleaning and developing the Tube well using own Air compressor continuously worked till clear and adequately discharge is obtained from the well including supply and use of all necessary equipments and labour complete as per the direction of Engineer in charge.

Excavation of mud pit, setting pit & fluid channel, etc.. 28.3 Cum

Conducting yield test through pumping for minimum 6 to 8 hours including supply of suitable Submersible pump set having capacity of discharge of 5.00 LPS 50 Mtr. Head, with 15 KVA D.G. Set and container ofn 200 litrs. Capacity, as reqyuired to suit the site condition as per teh direction of the Engineer-in-charge including supply of tools plants labours for lowering and lifting the pump set and measuring the yield of teh shallow tube well.

HUIKA MANMATHA