Repair to the existing toilet blocks of Govt. Sr. Sec. School, Oralkatcha, Baratang i.c approach footpath - Balance work.

Amount

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

All kinds of soil.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :

1:3:6 (1 Cement : 3 coarse sand (zone-III) : 6 graded stone aggregate 20 mm nominal size).

1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size)

Centering and shuttering including strutting, propping etc. and removal of form work for :

Foundations, footings, bases for columns

Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) over 75mm thick bed of dry brick ballast 40 mm nominal size, well rammed and consolidated and grouted with fine sand, including necessary excavation, levelling & dressing & finishing the top smooth.

Providing and fixing Ist quality ceramic glazed wall tiles conforming to IS: 15622 (thickness to be specified by the manufacturer), of approved make, in all colours, shades except burgundy, bottle green, black of any size as approved by Engineer-in-Charge, in skirting, risers of steps and dados, over 12 mm thick bed of cement mortar 1:3 (1 cement : 3 coarse sand) and jointing with grey cement slurry @ 3.3kg per sqm, including pointing in white cement mixed with pigment of matching shade complete.

Providing and laying Ceramic glazed floor tiles of size 300x300 mm (thickness to be specified by the manufacturer) of 1st quality conforming to IS : 15622 of approved make in colours such as White, Ivory, Grey, Fume Red Brown, laid on 20 mm thick cement mortar 1:4 (1 Cement : 4 Coarse sand), jointing with grey cement slurry @ 3.3kg/sqm including pointing the joints with white cement and matching pigment etc., complete.

12 mm cement plaster of mix :

1:4 (1 cement: 4 fine sand)

Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shade:

New work (Two or more coats applied @ 1.43 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :

Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.

Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Providing and fixing water closet squatting pan (Indian type W.C. pan ) with 100 mm sand cast Iron P or S trap, 10 litre low level white P.V.C. flushing cistern, including flush pipe, with manually controlled device (handle lever) conforming to IS : 7231, with all fittings and fixtures complete, including cutting and making good the walls and floors wherever required:

White Vitreous china Orissa pattern W.C. pan of size 580x440 mm with integral type foot rests

Providing and fixing white vitreous china flat back half stall urinal of size 580x380x350 mm with white PVC automatic flushing cistern, with fittings, standard size C.P. brass flush pipe, spreaders with unions and clamps (all in C.P. brass) with waste fitting as per IS : 2556, C.I. trap with outlet grating and other couplings in C.P. brass, including painting of fittings and cutting and making good the walls and floors wherever required :

Single half stall urinal with 5 litre P.V.C. automatic flushing cistern

Providing and fixing wash basin with C.I. brackets, 15 mm C.P. brass pillar taps, 32 mm C.P. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever require:

White Vitreous China Wash basin size 550x400 mm with a pair of 15 mm C.P. brass pillar taps

Providing and fixing P.V.C. waste pipe for sink or wash basin including P.V.C. waste fittings complete.

Flexible pipe 40 mm dia

Providing and fixing soil, waste and vent pipes :

100 mm dia Sand cast iron S&S pipe as per IS: 1729

Providing and fixing bend of required degree with access door, insertion rubber washer 3 mm thick, bolts and nuts complete.

100 mm dia Sand cast iron S&S as per IS - 1729

Providing and fixing plain bend of required degree.

100 mm dia Sand cast iron S&S as per IS - 1729

Providing and fixing G.I. pipes complete with G.I. fittings and clamps, i/c cutting and making good the walls etc. INTERNAL WORK - EXPOSED ON WALL

15 mm dia nominal bore

25 mm dia nominal bore

Making connection of G.I. distribution branch with G.I. main of following sizes by providing and fixing tee, including cutting and threading the pipe etc. complete :

25 to 40 mm nominal bore

Providing and fixing brass bib cock of approved quality :

15 mm nominal bore

Providing and fixing brass stop cock of approved quality :

15 mm nominal bore

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :

25 mm nominal bore

Providing and placing on terrace (at all floor levels) polyethylene water storage tank, IS : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.

Circular tank

Providing and fixing in position eaves or facia board with 19 mm thick marine ply wood (BWR) conforming to IS:710 30 cm wide including fixing with nuts and bolts etc. (Make: Century/Green ply or equivalent) complete.

Providing cement concrete surface drain with 1:3:6 ( 1 cement: 3 sand: 6 graded stone aggregate 40 mm nominal size) finished with 1:4 (1 cement: 4 fine sand) including a floating coat of neat cement inside the drain and its top and exposed surface including earth work in excavation and disposed of surplus earth.

15 x 15 cm surface drain

Providing and fixing PVC pipe for weep hole in walls etc. as per the direction of Engineer-in-chagre.

50 mm dia.

Constructing septic tank with CC wall of suitable section with cement concrete 1:3:6 (1 cement: 3 coarse sand: 6 graded stone aggregate 40 mm nominal size) 20cm thick including precast RCC top 10 cm thick slab & baffle wall 10cm thick with 1:1.5:3 (1 cement: 1.5 coarse sand: 3 graded stone aggregate 20 mm nominal size) 20 cm thick foundation concrete 1:4:8 (1 cement: 4 coarse sand: 8 graded stone aggregate 40 mm nominal size) plastering inside wall with 12 mm thick cement morter 1:4 mixed with water proofing material finished with a floating coat of neat cement, 50 mm thick CC floring 1:2:4 (1 cement: 2 coarse sand: 4 graded stone aggregate 20 mm nominal size), two C.I. manholes 455 x 610 mm size total with CI manhole cover and frame fixed in RCC slab and M.S. footrest for manhole at 30 cm etc complete as per design, drawing and direction of Engineer-in-charge.

100 users having inside dimention 5.70x2.10x1.70m including 30 cm free board.

KANTI BALA