Relaying of sewer line and manhole chamber with PVC septic tank for Industrial Barrack Qtr No. 99/01 to 99/20 and 100/01 to 100/20 at Supply Line under SD-II, PBND, APWD, Port Blair

Amount

By Mechanical Transport including loading,unloading and stacking

Disposal of moorum/building rubbish/ malba/ similar unserviceable, dismantled or waste material by mechanical transport including loading, transporting, unloading to approved municipal dumping ground for lead upto 10 km for all lifts, complete as per directions of Engineer-in-charge. Note - item to be applicable in urban areas having directions for restricted hours for movement/ plying of load carrying motor vehicle of 3.5 cum or more.

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 :

1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources: 4 graded stone aggregate 20 mm nominal size derived from natural sources).

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

Foundations, footings, bases of columns, etc. for mass concrete

12 mm cement plaster of mix :

1:4 (1 cement: 4 fine sand)

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 white vitreous china pedestal type water closet (European type W.C. pan) with seat and lid, 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 :

W.C. pan with ISI marked white solid plastic seat and lid

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. External work

15 mm dia nominal bore

50 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

50 to 80 mm nominal bore

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

50 mm nominal bore

Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work) :

15 mm nominal bore

50 mm nominal bore

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

15 mm nominal bore

Providing cement concrete surface drain including earthwork excavation 10 cm thick base concrete and 15 cm thick side wall with 1:3:6 ( 1 cement : 3 Coarse sand: 6 graded stone aggregate of 40 mm nominal size) cement concrete finished with 1:4 (1 cement : 4 sand) a floating coat of neat cement inside the drain and its top and exposed surface including earthwork in excavation and disposed of surplus earth etc.

"23 X 23cm surface drain.

Construction of cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 grade stone aggregate 20mm nominal bore) manhole, R.C.C. top slab with 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size), foundation concrete 1:4:8 mix (1 cement : 4 coarse sand : 8 graded stone aggregate 40mm nominal size) inside plastering 12mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with floating coat of neat cement and making channels in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) finished with a floating coat of neat cement complete as per standard design :

Inside size 50X50cm and 45cm deep

"Providing and fixing soil, waste and vent pipes

"100mm dia PVC pipe

"Providing and fixing UPVC (SWR) bend of required degree with access door complete (6Kg/Sqcm)

"100mm dia

"Providing and fixing UPVC (SWR) single equal plain junction of required degree with access door complete (6kg/Sqcm)

Dismantling of W.C. pan (Indian/European) type including stacking the unservicale materials with in an average lead of 50 mtrs etc complete as per the direction of Engineer-in-charge.

Providing and fixing PVC septic tank of approved design and make of size of model Type-III having inside dimensions 1000mm diameter, 2500mm length with 30-35 users/flushing day by day including earth work, CC 1:3:6 and laying tank in position, refilling of earth, and filling inside half the tank with water, including transportation etc complte as per the direction of Engineer-in-charge.

KRISHNA BHOWMICK

N C DEY