TMV Main Drain

Amount

Earth work excavation for foundation in all kinds of soils and subsoils and to the required depth as may be directed except hard rock requiring blasting but inclusive of shoring, strutting and bailing out water wherever necessary, refilling the sides of foundation and basement with excavated earth in layers of 15cm thick well rammed, consolidated and depositing the surplus earth in places shown with an initial lead of 10 meters and initial lift of 2 meters and clearing, levelling the site etc., complete. (As per TNBP No. 23 & 24)

Supplying and filling in foundation and basement with Crushed Stone Sand (M Sand) in layers, not exceeding 150mm thickness well rammed, watered and consolidated complying with relevant standard specification etc., complete. (As per TNBP No. 24 & 25)

Plain Cement Concrete 1:5:10 (One cement, five of M Sand and ten of coarse aggregate) using 40mm gauge hard broken stone jelly for foundation inclusive of dewatering if found necessary, shoring, strutting, side shuttering, ramming, curing and laid in layers not more than 15cm thick etc., complete complying with standard specification. (As per TNBP No. 28)

Reinforced Cement Concrete 1:1.5:3 (One of cement, one & half of M Sand and three of coarse aggregate) using 20mm gauge HB stone jelly for all RCC items of works excluding centering, shuttering and also cost of reinforcement grill in position but including laying, curing and finishing etc., complete and also fixing fixtures like fan clamps in the RCC floor / roof slab wherever necessary etc., complete complying with standard specifications and as directed by the departmental officers. (As per TNBP No. 30)

Supplying and erecting Shuttering with necessary supports for Plane Surfaces such as RCC Column boxing, top & bottom slabs, sill slabs, sunshade with all cross bracings including strutting using silver oak (country wood) joists of size 10cm x 6.5cm spaced at about 90cm centre to centre etc., complete. (As per TNBP No. 86 & 86A)

Supplying and erecting Centering for sides and soffits including supports and strutting for Plane Surfaces such as RCC slabs, rectangular beams 'T' or 'L' beams, lintels, bed blocks, staircase, waist and landing slabs, landing beams, canopy etc. with all cross bracings using silver oak (country wood) joists of size 10cm x 6.5cm spaced at about 90cm centre to centre supported by casurina post of 10cm to 13cm dia spaced at 75cm centre to centre etc. complete. (As per TNBP No. 86 & 86A)

Supplying, fabricating and placing Reinforcement Steel of high yeild strength ribbed bar of various diameter and grade confirming to IS1786 of reinforced concrete work. The work including decoiling, straightening, cutting, bending, fabricating and placing in position at all levels and floors including lead and lift according to drawings, specifications, etc complete. Supply and use of 18Gauge black annealed binding wire double fold to tie the bars in position, chairs pins, space bars, unauthorised laps which will not be measured separately neither for payment nor for reconsilation and providing precast cement / pvc cover blocks for main reinforcement to ensure specified cover and as directed. Steel and binding wire will be procured by the contractor at his own cost. (As per TNBP No. 30 & 86)

Plastering with Cement Mortar 1:3 (One of cement and three of M Sand) of 10mm thick including centering, strutting, finishing and curing etc complete complying with standard specification. (As per TNBP No. 56 & 57)

Colour Washing two coats over one coat of white washing with fine screened shell lime approved colour pigments gum conjee etc., The rate includes one base coat of white washing, two coats of colour washing and labour charges. (As per TNBP No. 64)

Conveyance the Surplus Earth to the places shown by the Engineer incharge including loading into lorries, conveying unloading from lorries and spreading in places indicated as instructed by the Engineer incharge with a lead of 2 to 3 km etc., complete.

R R CONSTRUCTIONS