CONSTRUCTION OF DRINKING WATER SUPPLY AT SSK SCHOOL KANCHENJUNGA ACADEMY SANSAD VII

Earth work in excavation of foundation trenches or drains, in all sorts of soi (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 thebottom, bailing out water as required complete. (a) Depth of excavation not exceeding 1,500 mm.

Laying 150 mm. to 200 mm. boulder soling including rough dressing hand packing and ramming down small pieces in the interstics without rolling but including ramming.

Cost of stone boulder 150 mm size delivered ans stacked at site.

Hire and labour charges for shuttering with centering and necessary staging(a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge. Sq upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor (a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of

(II) Cement concrete with 30 mm. down graded shingles excluding shuttering.N.B. VarietyIn ground floor . (a) 1:3:6 proportion.

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.

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. other than SAIL/TATA/RINL/JSW/JSPL/Shyam/SRMB/ISSL/BMASL/Electrosteel

Plaster ( to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering conrners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary (ground floor). [Excluding cost of chipping over concrete surface]. (ii) With 1:4 cement mortar . (a) 20 mm.thick plaster.

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

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.). For exposed work. 25 mm dia.medium quality.

Supply of High Density Poly-ethylene Pipe conforming to IS-4984-1985 (Dia)[PE-63]. 10 Kg/Sq/Cm.(Dia) Working Presssure). 25 mm.

Labour for fitting and fixing high density poly-ethylene pipes or P.V.C. pipes for above ground work including costs of jointing materials, paints etc.fitting and fixing all necessary specials, cutting pipes, making threads, cutting holes in walls of R.C. floor where necessary and mending goods all damages excluding the cost of masonry or concrete work, if necessary ,but including the cost and fitting and fixing holder bat clamps(any floor) or for underground work including cutting trenches upto 1.5 metre and refilling the same complete as per direction of the Engineer-in-charge.(Payment will be made on center line measurment of the total pipeline including specials.) . above ground. 25 mm dia

Supplying, fitting and fixing gunmetal wheel valve of approved brand and make tested to 21 kg sq.cm. (for water lines only). 25 mm

(Z) Compact Compact Ball Valve with SS Handle ForCPVC/ UPVC Fittings.(As per ASTM D 2467, Schedule 80) 25 mm

Supplying, fitting and fixing bib cock or stop cock. Chromium plated Bib Cock short body (Equivelent to Code No.511 & Model- Tropical /sumthing special of ESSCO or Similar brand).

GST 18% on sub total

Labour welfare cess @1%