15th Tied 2024-25 Selampanur New Sump

Amount

Earth work excavation for foundation in all soils and sub soils and to full depth as may be directed except in rock requiring blasting but inclusive of shoring, strutting and baling out water wherver necessary as per SS 20 B etc., complete complying with standard specifications. Hard stiff clay, stiff black cotton, hard red earth, shales etc.,

Pipe Line

Soft disintegrated rock, laterite, soft rock, kankar not requiring blasting

Medium rock and dence medium rock not requiring blasting

Plain Cement Concrete 1:4:8 (one cement,four sand and eight aggregate) mix using 40mm gauge hand broken hard granite stone jelly for foundation including dewatering if found necessary and laid in layers of not more than 15cm well rammed etc., complete complying with standard specifications.

Brick work in cement mortar 1:5 (one cement five sand) using best quality country bricks including cost and conveyance of all materials to working site in super sector curing etc. complete. Complying with standard specifications and has directed by departmental Engineers. Including cost and conveyance of all materials to working site etc.

Supplying and erecting Centering for sides and soffits including supports and strutting upto 3.29 m high for plane surfaces such as RCC slabs, Rectanular beams, Lintels and Stair case waist slabs conopy etc., in all floors with all cross bracings using mild steel sheets of size 90cm x 60cm and BG 10 stiffened with welded mild steel angles of size 25mm x 25mm x 3mm for boarding laid over country wood joists of size 10cm x 6.50cm spaced at about 90cm centre to centre and supported by Casuarian props of 10cm to 13cm dia spaced at 75cm centre to centre etc., complete and as directed by departmental Engineers. a)Upto 3.30m below G.L & above G.L-Curved surface.

b)From 0m to 3.30m Above floor slab/GL: Plan Surface

Supplying, fabricating and placing in position mild steel/Ribbed for steel roads for all RCC works including cost of steel and binding wire also in all floors, complete complying with standard specifications.

Reinforced Cement Concrete 1: 1 1/2: 3 ( one cement, one and half sand and three aggregate) mix using machine crushed / hand broken 20mm gauge hard broken granite stone jelly for all reinforced cement concrete works connected to this work excluding centering, shuttering and cost of reinforcement grills placed in position, but including laying, vibrating, curing and finishing, fixing fan clamps in the RCC floor and roof slab works wherver necessary and bearing surfaces of the wall at the sides and bottom of the slab, beams shall be finished smooth with cement mortar 1:3 and kraft paper laid without claiming extra cost etc., complete complying with standard specification and as directed by the departmental officers. A)For items 1.5 m to 4.5 m blow GL

B)Upto 1.50m depth below G.L

C)Upto 4.50m height above G.L

R.C.C Ladder should be made of two ribs of size 0.075 x 0.075 at 30mm c/c. The concrete should be of M20, 8mm RTS rod 4 nos. For ribs with 8mm RTS stirrups at 30cm and 8mm RTS 2 nos.For steps with 4 nos. rods as distribution including cost and conveyance of all other labour and material charges to site etc., complete.

Supplying and fixing in position of 0.60 x 0.60 m size water tight C.I Manhole frame with cover of approved pattern at the roof slab including the cost of men & materials complying with standard specification and as directed by the Engineers.

Supply PVC/ DWSC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste. 63mm PVC Pipe 6kcs

Lowering PVC/ DWSC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste.

Re filling the Excavated earth including cost and conveyance of gravel to work site and all labour charges foe stacking them to partmental gauge at road sides for preparmental officers and spreading and compacting in layers as directed by the dept officers. As per clause 301 & 305 of Morth Specification

K LAKSHMANAN (BID ID -1275372)