Maintenance of Anna Nagar OHT (5 lakh ltr ) in Vadakarai Keelpidagai Town Panchayat.

Amount

Providing two legged scaffolding using 15cm dia blue-gum posts of 4.0m overall length (3M HT + 0.5M projection + 0.5m into ground) the distance between two rows being 1.25m and the spacing of postsbeling 2.0m and the spacing of postsbeling 2.0m in both the rows with two horizontal posts with 0.5m overlap on either sideand braces at 2m c/cincluding longitudinal and transverse middle braces to step up and providing aplatform with country woodplanksof 40mm tk & 1.0m width in a complete form using coir and Nails For Renovation Works. For 5.00L Ltr - 15.50M aboveG.L -

Painting two coats with approved cement paint best quality over the outer wall surface including cost of cement paint etc. complete complying with standard specification etc., complete as per standard specifications and as directed by Engineer-in-charge

Earth work excavation in all classes of Soils and Sub soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering , bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the Departmental officerswith an initial lead of 10mts and initial lift of 2mts and clearing and levelling the site etc, complete complying with standard specification. ( TNDSS NO or NBC No 23,24, V,VI S2)

Plain Cement Concrete 1:4:8 Mix (one part cement, four part M.Sand and Eight part of aggrigate) using 40 mm size ISS HBG metal 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 as per TNDSS NO : 28 & VI (S2) VI (S5A) VII standard specifications as directed by Engineer incharge.

Supplying and erecting centering to sides and soffits including supports and strutting with necessary cross bracing for plain surface such as RCC slabs rectangular beams all beams lintels etc., 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.

Plain Cement Concrete 1:2:4 Mix (one part cement, two part M.Sand and four part of aggrigate) using 20mm size ISS HBG metal machine crushed 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 as per TNDSS NO: 28 & VI (S2) VI (S5A) VII standard specifications as directed by Engineer incharge.

Supplying and fixing G.I Pipe 32mm dia (B class) including cutting and fixing into kerb wall for 30cm depth including fixing weld mesh 7.5cm*5cm 10gauge and fixing welding with M.S angle 35*35*6 alround and with M.S Flat 45*6mm at middle includind conveyance etc.

ASANKANI