Improvement of internal roads in old CWS complex RIMS,Imphal

Amount

Dismantling of flexible pavement(Dismantling of flexible pavement and disposal of dismantled materials upto a lead of 1000 metres,stacking serviceable and unserviceable materials seperately.

By Mechanical Means

Surface dressing of the ground including removing vegetation and in-equalities not exceeding 15 cm deep and disposal of rubbish, lead upto 50 m and lift upto 1.5 m.

All kinds of soil.

Granular base / sub-base using naturally occurred sand grave

Providing, laying and compacting granular base / sub-base according to lines, grades and cross sections by using naturally occurred sand gravel/conforming to IRC-Grd'II of MOST specification free from organic or other deleterous constituent spread with motor grader and compacted by rolling with power roller of 8-10 capacity in layers not exceeding 150mm (spread thickness) i/c rolling of the road surface to proper level and grades 30 cm width edging on both side etc. complete as directed by Engineer-in- charge.

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with 3 wheeled steel/ vibratory roller in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to filI up the interstices of coarse aggregate, watering and compacting to the required density.

By Manual Mean

Grading-I

(b) Using Screening Type-A (l3.2mm agg.)

Grading-Il

(b) Using Scrining Type-B (11.2 mm agg.)

Tack coat on Bituminous surfaces Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous/granular surface cleaned with mechanical broom.

Open - Graded Premix Surfacing (Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates using Viscocity grade bitumen to required tine, grade and level to serye as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a smooth wheeled roller 8- l0 tonne capacity, finished to required level and grades.)

Case - I: Mechanical method using Penehation grade Bitumen ond HMP of appropriate capacity not less than 75 tonnes/hour .

Seal Coat (Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A and B seal coats)

Case - I: Type A

Floor painting with floor enamel paint of approved brand and manufacture to give an even shade

two or more coats on new work

Keithellakpam Dijen Singh (BID ID -3265542)

Y.DEVENDRO SINGH (BID ID -3265560)