Providing and laying Drainageline and Inspection Chambers at various places

Excavation for catch/ side water gutter in hard murum and boulder strata to the specified section including stacking the excavated stuff in a regular bund and disposing of unsuitable or excess stuff as directed.

Excavation for catch/ side water gutter in hard rock strata to the specified section including stacking the excavated stuff in a regular bund by chieselling and wedging and disposing of unsuitable stuff as directed.

Refilling the trenches with available excavated stuff with soft material first over pipeline and then hard material in 15 cm layers with all leads and lifts including consolidation, surcharging, etc. complete. (MJP DSR 2021-22, Item No. 15, Page No. 45).

Conveying materials obtained from road cutting including all lifts, laying in layers of 20 centimetre to 30 centimetre breaking clods, dressing to the required lines, curves, grades and section, watering and compacting to not less than 97% of standard proctor density for a lead of over 300 metre to 500 metre inclusive from the site of excavation to the site of deposition as directed.

Providing hard murum side shoulder including supplying hard murum at the road site, including spreading and compacting for sidewidth layers on each side with power roller including artificial watering etc complete.

Providing and laying in situ / ready mix / ready mix Mix-10 cement concrete of trap metal in foundation including necessary centering, formwork, bailing out water, compacting,curing etc. complete, with fully automatic micro processor based Programmable Logic Controller with Superwisery Control and Data Acquisition enabled with reversible drum type mixer/ concrete batch mix plant (pan mixer) with natural /artifical sand).

Valve Chamber with Precast RCC Covers: Providing and constructing B.B. masonry valve chamber with 15 cm thick 1:3:6 proportion PCC bedding, excluding excavation, B.B. masonry in CM 1:5 proportion precast RCC frame and cover, etc. complete as directed by Engineer-in-charge. As above of 90 cm internal dia. size and depth upto 1.2 M with precast R.C.C slab cover. = Rs. 9644.00 / No. Add for every increase in depth of 30 cm = Rs. 1739.00, of 60 cm = 3,478.00 Total = Rs. 13,122.00 / No.

Providing and laying concrete pipe of Indian Standard Non Pressure class of 300 milimetre diameter in proper line, level and slope including necessary collars, excavation, laying, fixing with collars in cement mortar 1:1 and refilling the trench complete.

Providing and laying cement concrete pipe of Indian Standard 458:2003 non pressure-2 class of 450 milimetre diameter in proper line, level and slope including providing and fixing collars in cement mortar 1:2 complete.