Construction of spiral staircase and compound wall at Puliyirangi OHT in Thiruvattar Town Panchayat 15th Finance Tied Work

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 complete complying with SS20B. TNDSS No:23&24

Cement concrete of mix 1:4:8 (one part of cement four part of sand and eight part of aggregates) using 40 mm gauge machine broken granite stone jelly for foundation including de watering if found necessary and laid in layers of not more than 15 cm thick well rammed and consolidated etc complying with standard specification. TNDSS No:28

Random rubble masonry in cement mortar 1:5 mix (one part of cement and five part of sand) using new best rough and bond stones from approved quarry including cost and conveyance of all materials to site. Loading and unloading charges and labour charges for mixing, laying and curing etc complete complying with standard specifications.

Supplying and erecting centering to sides and soffits including supports and strutting with necessary centering for soffits upto 3 meter height using mild steel sheet of size 90 cm x 60 cm x 10 mm gauge with MS angles of size 25mm x 25mm x 3mm laid over silver oak (CW) joists of size 10cm x 6cm spaced upto 90cm c/c and casurina props or 10 cm to 13 cm dia spaced at 0.750 cm c/c complying with standard specifications as per TNDSS NO : 30 & 86.

Supplying, fabricating and placing in position of Steel Reinforcement using Mild steel or ribbed tar steel rods, for all RCC works as per the design given by the departmental officers including cost of steel cutting, bending, placing in position and binding with binding wire and all labour charges for cutting, bending, tying and placing in position etc, complete. TNDSS No:97

Reinforcement Cement concrete 1:1½:3 (one part of cement one and a half part of sand and three part of aggregates) using machine broken granite jelly of 20 mm size for all reinforced cement concrete works excluding cost of centering shuttering strutting and also cost of reinforcement grill in position but including laying vibrating with mechanical vibrators using finishing etc complete, as directed by the departmental officers etc complete complying with standard specification. TNDSS No:30

Brick work in cement mortar 1:5 (one part of cement five part of sand) mix using best country bricks of size 8¾"x4¼"x2¾" from approved quarry including curing, cost and conveyance of all materials to site and all labour charges etc complete as per standard specification.

Cement concrete of mix 1:3:6 (one part of cement three part of sand and six part of aggregates) using 40 mm gauge machine broken granite stone jelly for foundation including de watering if found necessary and laid in layers of not more than 15 cm thick well rammed and consolidated etc complying with standard specification. TNDSS No:24

Supplying and fixing of mild steel gate of the following specification. The outer frames should be made out of equal angels section and braces are made out of flat section cost including welding and conveyance of all materials to site locking arrangements and painting one coat of primer etc complete as per standard specifications.

Plastering walls with cement mortar 1:4 (one part of cement four part of sand) 12 mm thick including all cost and conveyance of all materials and all labour charges etc. complete as per standard specification. TNDSS No:61

Painting the new walls two coats over one coat of priming with best cement paint of approved colour and quality including preparation of surface and finishing neatly etc., complete complying with standard specification and as directed by the department officers.

Painting new iron works such as steel doors, windows, ventilators, window bars, balustrades etc with two coats of best approved first quality and colour of synthetic enamel paint over the existing red oxide priming coat in all floors excluding cost of priming coat etc complete complying with standard specification. (The make, quality and colour of paint should be got approved by the departmental officers before use on works.)

Providing two legged scaffolding using 15 cm blue gun posts or casurina props or best quality bamboo posts at 4 metres over all length, the distance between two rows being 1.25 metre and spacing of posts 2 metres. in both the rows with two horizontal posts with 0.5 metres over lap on either side and braces at 2 m c/c including longitudinal and traverse middle braces to step up as providing a platform with country wood planks of 40 mm thick and 1 Mt. width etc. in complete around the OHT of total height 10.50 metre.

Construction of RCC spiral staircase in RCC 1:1½:3 20 mm HBGS of 1.80 m Ø of required height for approach to the roof of SR with RCC hand rails as per type design including necessary earth work for providing foundation in CC 1:4:8 mix RCC footing 1:1½:3 mix, GL platform etc. including cost of steel reinforcement, fabrication charges, scaffolding charges, centering, precasting charges, cement painting etc complete. The staircase should be braced to the column of service reservoir at suitable interval etc complete.

Supplying, delivery and fixing in position of following PVC / GI pipes and specials of approved quality and good variety excluding fixing charges etc complete.

80 mm GI pipe

80 mm GI bend

80 mm GI coupling

80 mm GM gate valve

Chipping of concrete and roughening the surface.

Plastering walls with cement mortar 1:3 (one part of cement three part of sand) 12 mm thick including all cost and conveyance of all materials and all labour charges etc. complete as per standard specification. TNDSS No:61

S RAJA KUMAR (BID ID -1069192)

J.P.N CONSTRUCTIONS (BID ID -1069558)