GOVERNMENT OF WEST BENGAL
OFFICE OF THE ASSISTANT ENGINEER, ISLAMPUR SUB-DIVISION
P.H. ENGINEERING DTE. ISLAMPUR , MURSHIDABAD
Schedule for Construction for 2 nos. brick masonry rectangular community water tank at different places
under Garaimari W/s Scheme under Islampur Sub-Division, Murshidabad Division, P.H.E. Dte.
Sl.
No
1.
Description of items
Construction of Brick Masonry Community Water Tank of different capacities in
different sizes with 450 mm wide platform and 150 mm wide surface drain and a
soak gallery 600 mm × 450 mm (as per PWD Schedule) . The platform should be
constructed in two sides (long side of 2.95 Mtr. long and 2.0 Mtr. in short side)
with 75mm height, 125 mm Brick work (4:1) in outside and 150 mm height, 125
mm Brick work in inner side, over 75mm thick cement concrete (4:2:1) over a
Brick flat soling over 150mm thick sand filling and 150mm × 150mm size, 3.0
Mtr. long surface drain of 75mm height 125mm Brick work (4:1), over 100mm
thick P. C. C. (6:3:1) over a single Brick flat soling over 150mm thick sand
filling and the drain is fitted with a soak gallery of 650mm × 450mm. Inside
platform and inside drain are finished with 25mm Artificial Stone flooring and
top and sides below G. L. finished by cement plaster. The tank fitted with
3(three) spout in long side & 2 (two) spout in short side of 15mm dia CP bib
cock supported on 4 (four) R. C. C. column (1:1½:3) of size 250mm × 250mm ×
av. height 0.60 Mt from existing G. L. with required size of R. C. C. footing
(1:1½:3) of 150mm thick with total depth of foundation in 1.00 Mtr. followed by
75mm thick cement concrete (1:2:4) over a Brick flat soling over 200mm thick
sand filling, 250mm thick Brick masonry walls (4:1) over R. C. C. Inverted beam
(300×250) on columns constructed monolithically with 125mm thick floor slab
with 150mm free board roof slab (1:1½:3) on Brick work with 75mm projection
all through. 500 mm dia C. I. Manhole cover with locking arrangement & 6 lever
Navtal lock provided in the roof of water tank and at least one vent pipe of
40mm dia G.I. 30 mm long fitted with one 40mm G. I. bend for ventilation. The
inside wall and floor of water tank should be finished with 25mm thick.
Artificial stone floor and outside wall of tank and four column are finished with
colour decorative tiles, fitted and fixed 25mm dia G. I. (M) TATA marks pipe
with 3 nos G. I. Bend as inlet pipe of av, length 5.0 (five) Mtr. underground and
av. 2.0 (two) mtr. above ground work including connection with nearest
distribution line by fitting fixing saddle Pcs. made of 30mm × 6mm M. S. flat
welded with 25mm. G. I. Socket including Supply, fitting 10mm dia brass ferul
and 25mm dia ball cock / float valve fitted in inlet pipe in side of tank to avoid
wastage of water after filling of tank and also fitted a wheel valve in inlet line
and 25mm Union in inlet line for mnt. and 40mm G. I. (M) pipe with 1 no. G. I.
elbow of av. length 2.0 Mtr. as over flow pipe down upto drain and 0.30 Mtr.
40mm dia G. I. (M) Pcs fitted with 40mm dia G. I. heavy socket & plug as wash
out pipe, arrangement for proper clamping / fixing with the floor slab & wall of
tank for proper anchoring should be made. The roof of water tank is finished
with 20mm thick cement plaster (6:1) and 10mm (4:1) in ceiling plaster & Man
hole cover of 500mm dia with locking arrangement fitted on roof for cleaning,
washing & other purpose. The item include the writing the name “DRINKING
WATER TANK” CAPACITY 3600/2000/1000LTS., P.H.E. DTE. on wall of
tank over tiles by matching paint. The work should be done as per enclosed
drawing and as per direction and satisfaction of E.I.C.
a) Capacity = 3600 Ltrs. – Length (L) = 2.00 Mtr.; Breadth (B) = 1.50
Mtr., Height (H) = 1.20 Mtr. R. C. C. footing size 650mm × 650mm ×
150mm thick, Depth of foundation 1.00 Mtr. from existing G. L.
Qnty.
2 nos.
Rate (Rs.)
Unit
100764.00 Each
Amount
201528.00
Total (Rs.) = 201528.00
(Rupees Two lakh one thousand five hundreds twenty eight) only
Sd/Assistant Engineer
Islampur Sub-Division
P.H.Engineering Dte.
Govt. of West Bengal