Construction of Minor Bridge at old pet muslim street and grain bazaar connecting road in Attur Municipality

Amount

Earth work excavation for foundation and depositing on bank with in the initial lead of 10m and a lift of 2m in hard stiff clay, stiff block cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders etc.,as per SS 20 A. TNDSS NO: 23 & 24 VI (S2) VI,VII 9,10 with standard specifications.Footings

Plain Cement concrete 1:4:8 (one cement, four sand, eight aggregate) using 40mm gauge hand broken granite stone jelly for foundation including dewatering if found necessary and laid in layers of not more than 15 cm thick and compacted,etc., complete complying with standard specfication.(SI No 120 & 122) (TNBP No 28)

Plain Cement Concrete 1:3:6 (one cement, three crushed Stone Sand (M- Sand) and six coarse aggregates) using 20mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying 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 (SI 154-A) TNBP No.- spl Footing

Beams and Slabs

Providing and laying in position Standardised Concrete Mix M-30 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 400Kg/ cum and maximum water cement ratio of 0.45 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 Crushed Stone sand (M- 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 standards. Super structure

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.TNBP-spl

Wearing coat 75 mm thick in CC 1:1.5:3 mix using 65% 25mm, 25% 12mm and 10% 6mm IRC HBG metal from approved quarry including cost and conveyance of all materials to site including cost of cement which will be supplied departmentally at the Departmental section stores and the cost will be recovered at the rates noted in the special conditions appended and conveyance of the same from Departmental section stores to the actual workspot and handling charges at each and including cost of form work mixing concrete laying compacting and watering curing concrete including all leads for good soft, potable water, hire and fuel charges for all tools and plants and all other incidental charges such as baling out water forming protective bunds providing coffer dams etc., complete as directed by the Engineer. over deck and approach slab

Back filling with Good gritty gravel behind the Abutment & inbetween the wings including all labour charges etc., complete

Provision for Expansion joint inbetween the dirt wall & Deck in Abutment and inbetween deck in Pier in standard specification

Providing and laying Kraft paper barring between deck slab and bed block to the full width of seating

Providing Weep Holes in Brick masonry reinforced cc wih 100mm Dia AC pipe extending through the full witdh of the struction with standard specification

P.C.C 1:1.5:3 mix (One part of Cement, 1.5 part of Sand and three part of Aggregate) using 20mm HBG ISS metal including all cost and conveyance of materials to site and all labour charges etc, complete.

SRI AMMAN CONSTRUCTIONS (BID ID -1354680)