Construction of Storm water drain with Cover slab at Gayathiri Nagar-015013R771 in ward No.13

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel,stoney earth and earth mixed with small size boulders SS.20B and Sand,silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring blasting inclusive of shoring shuttering, ,and baling out water and cleaning and levelling the site etc.,complete 10 m3

Supplying and filling in foundation and basement with filling M sand in layers of not more than 15cm.thick well rammed watered and compacted -1m3 etc., complete complying with standard specification.

Plain Cement Concrete 1:4:8 mix Using 40mm ISS HBG metal including all cost conveyance of materials and labour charges etc. complete as per standard specification

Centering for soffits of RCC slabs of plane surface like lintels, beams ,etc.,including strutting 3m high using mild steel sheets of size 90cm X 60cm X and B.G 10 stiffened with M.S angles of size 25mm X 25mm X 3mm laid over silver Oak (C.W) joists of size 10cm X 6.5cm (spaced at about 90cm c/c )and supported dy casurina props of 10cm to 13cm dia (spaced of 75cm C/C) complying with standard specification and directed - 10 m 2 (P & D)Data 38

b)side wall

c)slab

Providing and laying in position Standardised Concrete Mix M-20 Grade in accordance with IS 456 - 2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement contenet of 325Kg/ cum and maximum water cement ratio of 0.55 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of sand, but excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary without claiming extra cost etc., complete complying with standard specification and as directed by the departmental officers - The Coarse and Fine aggregates to be used should comply with the requiremnents of IS staandards. (No separate payment will be made by the Department for the excess usage of materials)

Suppling and fabricating and placing in position MS (or) R.T.S. bar for reinforcement to all RCC works as per the design given including cost of steel and binding wire also in all floors.

Removal of Excavated Excess Earth away from the site to 2K.M including loading and transportation charges etc, complete as per standard specification. For 1M3

Supplying and fixing in position SFRC Manhole cover 60 x 60cm (heavy duty) with frame (P.52, I.No.168) of best approved quality and as per atandard specifications etc.,complete.

Construction of cast in situ Silt Catch pit of inner size 450 x 450 x 450 mm including necessary earth work excavation including providing foundation in PCC 1:4:8 under wall 100mm thick and cutting the existing storm water drain size of 350 x 200mm for fixing 2 nos of 160mm dia PVC pipe on the storm water drain mouth wih RCC Cast in situ wall size of 150 mm in RCC 1:1.5:3 with steel 9.25 Kg including fixing of Cast Iron grating cover with frame size of 550 x 550mm ( Clear Cover 450 x 450mm ) - 10 MT completing the finising the work