Construction of R.C.C. Over Head Tank of capacity-600KL and Staging -15 meter in Indira Nagar under urban water Supply Scheme Dehradun, Uttarakhand

Rates for Construction of R.C.C. Over Head Tank of capacity-600KL and Staging -15 meter in Indira Nagar under urban water Supply Scheme Dehradun, Uttarakhand

Demolishing of Existing OHT 500 KL

Supply of all material labour and T&P etc, and to Construct RCC over head tank of 600 KL capacity over 15 meter high RCC staging from general ground level at site to the floor level of the tank on raft foundation based upon detailed soil investigation report. The free board in the tank shall be kept as 0.15 M. The rates shall also be inclusive of fixing of DI pipes and specials, construction of RCC stair case based on separate columns and two rows of 20 mm dia GI pipe railing with 40x40x5 mm angle iron post along the stair case including MS gate with locking arrangement and all other appurtenant works including construction of floor and one meter wide apron with 15 cm wide PCC semi circular drain all around. RCC stair case from GL to balcony and up to top dome. GI railing (two rows of 20 mm dia pipe railing with 40x40x5 mm angle iron post) on all around the balcony. MS ladder 50x50x6mm from top dome to inside the tank body with proper railing. Ventilator on the top dome, electronic water level indicator, lightening conductor, 0.60 m. wide light pattern square manhole cover on the top dome with locking arrangement. Fixing of vertical and horizontal pipes, fittings and DI sluice valves including jointing materials complete with chambers as per drawing also including painting 2 coats of apex on all concrete works and painting on all iron and steel works with approved paint and shades by the Engineer In charge along with testing for water tightness. The bearing capacity of the soil is to be taken as 8 ± M.T. / Sqm.

Variation in above rates for per unit tone variation in bearing capacity (i) For positive variation as per MT/Sqm (+)

(ii) For negative variation as per MT/Sqm (-)

SAFEENA ENTERPRISES

Ms Ankita Construction