RR work for construction of 50 users Septic Tank, Soak well and inspection pits for Block A and B along with shifting and construction of new water tank platform for Block G, H and I at Woodland Darjeeling, under Siliguri Sub Division, Housing Dte.

Earthwork in cutting to form road section in correct profile including removal of spoils not exceeding initial lead of 50m and initial lift of 1.5m (Mode of measurement: pre works and post works)

a) In ordinary soil

Earth work in excavation of foundation trenches or drains in all sorts of soil (including mixed soil but excluding laterite or sand stone) including removing, spreading or stacking the spoils within a lead of 75m. 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.

Cement concrete with 30 mm. down graded shingles excluding shuttering.N.B. VarietyIn ground floor .

a) 1:3:6 proportion.

Hire and labour charge for shuttering with centreing and necessary staging up to 4 m. using approved stout props and thick hard wood planks of approved thick ness with required bracing for concrete slabs, beams, columns, lintels curved or staight including fitting fixing and striking out after complection of works. (up to roof of ground floor).

a) 25mm. To 30mm. Shuttering with out staging in foundation etc.

Ordinary cement concrete (mix 1:1.5:3) with graded stone chips (20mm nominal size) excluding shuttering and reinforcement, if any, in ground floor as per relevant codes.

a) River bazree.

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc. initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at inter-section, complete as per drawing and direction.

a) For works in foundation, basement and up to roof of ground floor/up to 4m. Tor steel/Mild steel. i)JSW/JSPL/Shyam/SRMB/ISSL/BMASL/Electrosteel

Earth work in filling in foundation trenches or plinth with good earth in layers not exceeding 150 mm. including watering and ramming etc.layer by layer complete .(payment to be made on the basis of measurement of finished quantity of work).

a) With earth obtained from excavation of foundation.

Filling in foundation or plinth by silver sand in layers not exceeding 150 mm. as directed and consolidating same by thorough saturation with water ramming complete . Including the cost of supply of sand .(payment to be made on measurement of finished quantity). a) Do - by fine sand

Plum Concrete work with 40 % Cement Concrete with 30 mm down graded stone metal and 60% stone boulder of size 150 mm and above, placed in position as directed excluding shuttering if any.

a) (1:3:6) proportion.

Supply of UPVC pipes (B Type) & fittings conforming to IS-13592-1992 .

A) Single socketed 3 meter length. a) 160 mm.

B) Fittings. a) Plain tee. i) 160 mm.

Labour for fitting and fixing U.P.V.C. pipes for above ground work including cost of jointing materials etc. fitting and fixing all necessary specials, cutting pipes, cutting holes in walls or R.C. floor where necessary and mending good all damages excluding the cost of masonry or concrete work, if necessary, but including the cost and fitting and fixing holder bat clamps (any foor) or for underground work including cutting trenches upto 1.5 metre and refilling the same complete as per direction of the Enginer-in-charge) Payment will be made on centre line measurement of the total pipeline including specials.).

a) Underground. i) 160 mm dia.

Supplying PVC water storage tank of approved quality with closed top weith lid (Black) - Multilayer.

a) 2000 litre capacity.

Labour for hoisting plastic water storage tank.

a) Above 1500 litre upto 5000 litre capacity. i) Upto 1st story from G.L.

Labour for punching hole in plastic water storage tank upto 50 mm dai.

Supplying, fitting and fixing gunmetal wheel valve of approved brand and make tested to 21 kg sq.cm. (for water lines only).

Constructing Inspection pit of inside measurement 600mm X 600mm X upto 600mm(depth) with 250 mm thick 1st. class brick work in cement mortar(4:1) on all sides, bottom of the pit consisting of 100 mm thick cement concrete(1:6:3) with stone chips over a layer of jhama brick flat soiling, 15 mm thick (1:4) cement plaster to inside walls and outside walls upto G.L. and 20 mm thick(1:4) plaster to bottom of the pit, providing necessary invert with cement concrete(1:3:6) with stone chips as per direction, neat cement finishing to entire internal surfaces, top of the pit covered with 100mm thick R.C.C. slab (1:1.5:3) with stone chips and necessary reinforcements upto 1% and shuttering including 6 mm thick cement plaster(1:4) in all external surfaces of the slab and one 560 mm dia. R.C.C. manhole cover of approved make supplied, fitted and fixed in the slab with necessary fittings, necessary earthwork in excavation in all sorts of soil, filling sides of the pit with earth and removing spoils after work complete in all respect with all costs of labour and materials.

With Bazree (N.B.Variety).(SAIL/TATA/RINL)

Construction of Septic tank of different capacities as per approved drawing with 1st class brick work in cement mortar (4:1) including two 560 mm dia. R.C.C. manhloe cover of approved make supplied, fitted and fixied in the top slab with necessary fittings, 19 mm thick cement plaster(4:1) with neat cement finish to the internal surfaces and 12 mm thick plaster(4:1) to outside wall upto 200 mm below G.L. floor finished with 25 mm thick grey artificial stone including supplying, fitting and fixing all necessary specials, fittings, S.W. tees, C.I. foot rest etc. including excavating earth in all sorts of soil, shoring, bailing and pumping out water as necessary, ramming, dressing the bed and refilling the sides of the tank with earth, removing spoils, fliing up the chamber with clear water, removing foreign materialsfrom the chamber and including constructing attached inspection pit as per approved dawing and connecting all necessary pipes, joints etc. with internal plaster work and artificial stone flooring is to be done with admixture of water proofing compound @ 5% by weight of cement, complete in all respect as per directon of Engineer-in-Charge.

a) For 30 users. i) With Pakur variety. (SAIL/TATA/RINL)

Construction of circular soak well 2.5 metre deep in all types of sandy soils with dry brick work upto 1.6 metre from the bottom having 150 mm intermediate cement brick work(6:1) band all round and cement brick work(6:1) upto 0.90 metre from top with 19 mm thick cement plastering(4:1) to inside face upto the depth of cement brick work, 12 mm thick cement plaster(4:1) on top of the R.C.C. cover slab including filling bottom 1.00 metre of inside of the well with brick metal(50 mm to 63 mm size) including R.C.C. cover slab of designed thickness with cement concrete(4:2:1) with stone chips with necessary reinforcement and shuttering including one 560 mm dia. R.C.C. manhole cover of approved make supplied, fitted and fixed in the cover slab with necessary fittings, making necessary arrangements for pipe conections, excavation of well including shoring, dewatering and remeving the excess earth from the premisis as per direction complete in all respect with all costs of labour and materials.With 250 mm thick dry brick work and 250 mm thick cement brick work(6:1) and 1.00 m. inside dia.

a) (SAIL/TATA/RINL)

Supplying, fitting and fixing G.I. pipes of TATA make with all necessary accessories, specials viz. socket, bend, tee, union, cross, elbo, nipple, longscrew, reducing socket, reducing tee, short piece etc. fitted with holder bats clamps, including cutting pipes, making threads, fitting, fixing etc.complete in all respect including cost of necessary fitting as required, jointing materials and two coats of painting with approved paint in any position above ground.( Payment will be made on the center line measurements of total pipe line including all specials. No seperate payment will be made for accesorie, specials.). a) For exposed work.

i) 25 mm dia.medium quality.

ii) 40 mm dia.medium quality.

Supply of galvanised iron socket with I.S.I. mark.

a) 25 mm dia. .

b) 40 mm dia.

Supply of G.I. reducing socket with I.S.I. mark.

Supply of G.I. union.

Sub Total

Sub Total + GST 18%

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