Construction of Poly House adjacent to the Bungalow of Chief Secretary under PBSD, APWD, Port Blair

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 :

1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources).

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 work for :

Foundations, footings, bases for columns

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.

Hot finished welded type tubes

12 mm cement plaster of mix :

1:4 (1 cement: 4 fine sand)

Painting with black anti-corrosive bitumastic paint of approved brand and manufacture to give an even shade :

Two or more coats on new work

Providing and fixing 200 GSM anti fungal UV treated Poly Film of approved quality and make and fixing it on the roof as per the requirement.

Providing and fixing UV treated 40 mesh insect proof nylon net of approved quality and make and fixing it on the Gable side and wall area.

Providing and fixing 3 mm wide of Aluminium channel and Zig zag spring and fixing it with UV films as per requirements.

Providing and Installation of 1 HP hi flow pump of approved make and model with suction and delivery 25 x 25 mm including PVC suction pipe with fittings.

Providing and Installation of single phase 11 A, 220 V , 50 Hz electric semi automated starter of approved make and model as per the requirement.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge. External work

20 mm nominal dia Pipes

40 mm nominal dia Pipes

Providing and Insllation of HDPE super flow screen filter having capacity to flow 12 cum per Hr.

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.

Providing and Installation of PVC 28 LPH Mini Sprinkler with adapture.

Providing and Installation of Fogger assy having capacity 28 LPH.

Providing and Installation of 16 mm LDPE lateral pipe with all fittings and accessories for fixing fogger assy.

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 :

50 to 80 mm nominal bore

Providing and fixing of MSP Ball valve of approved make and quality and make on the main line 40 mm dia.

Providing and fixing CPVC Union socket in pipes with one step CPVC solvent cement.

20 mm nominal bore

40 mm nominal bore

Providing and fixing of Glow sign board by using (2 side printing) star flex materials with LED tubes including 11/2" G.I.Pipe and angle frame size 1 mtrs X 0.75 mtrs.

Providing cement concrete surface drain including earth work in excavation 10cm thick base concrete and 23 cm thick side walling with 1:3:6(1 cement 3 sand:6graded stone agg. 40mm nominal size) finishing with 1:4(1cement :4 sand ) including floating coat of neat cement including drain and its top and exposed surface including earthwork in excavation and disposal of surplus earth etc., complete

Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources) 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.

B M SINGH

K MARUTHU PANDIYAN