WB/068/APAS-42/BDOKNT/25-26/05

Labour for boring through any type of soil for sinking tube well of required dia. with top enlargement by rig boring system (either by reserve circulation or by direct rotary method) including hire charges and labour for rig machine, tools and plants, staging, force pumping set and making arrangement for water required for boring etc. complete and lowering of pipes, strainers, blind pipes etc. complete. (b) For depth upto 250 metre for 150 mm dia. Tube well with top enlargement of 250 mm dia.(upto 50 metre). (i) First 50 metre

Supplying, fibre glass reinforced Epoxy resin slotted of 1 mm slot width in 6.1m length of approved make and as per direction of the Engineer - in Charge (b) 150 mm nominal dia (ii) 7.00 mm wall thickness

(A) Sypply of E.R.W.M.S.(Electrical Resistant Welded M.S.) black pipe of of TATA make (heavy quality) as per standard specification, 5 mm thick. (ii) 150 mm dia. (internal)

Washing and developing tube well with air compressor pump and engine for 8 (eight) hours continuous pumping per day with necessary arrangements for testing the yield in gallons per hour with 'V' notch including hire and labour charges for all tools and plants and scaffolding as required.

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

Collecting sample of water for bacteriological and chemical test from any depth at any time during execution of work including hire and labour charges for tools and plants and sterilising the equipments, paying all charges and fees, testing etc. complete in all respect as per direction.

Packing the annular space between the outside of the tube well pipes & strainers and the bore with pea size washed gravel of approved quality having size from 2 mm to 5 mm or the size approved by the Engineer-incharge including cost of all materials labour and equipment complete.

Providing 200 mm centre guide. i) With Clamp

Supplying, fitting and fixing special hand pump no. 6 of approved make (for 50 mm or 40 mm dia. tube well).

Supplying, fitting and fixing 65 mm dia. deep well brass cylinder with necessary fittings and accessories.

Supplying, fitting and fixing 15 mm dia. galv. M.S. connecting rod with sockets

Supply of G. I. pipes of TATA make including necessary sockets (ii) Medium quality

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. (a) Depth of excavation not exceeding 1,500 mm.

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

(I) Cement concrete with graded stone ballast (40 mm size excluding shuttering) In ground floor (B) With N.B. Variety stone metal. (a) 1:3:6 proportion

Neat cement punning about 1.5mm thick in wall, dado, window sill, floor etc. NOTE:Cement 0.152 cu.m per100 sq.m.

Display Board and Photography

Add:- GST @ 18%

Add:- Labour Welfare Cess @ 1%