138WE/L-44/2020-21

Amount

Scarifying or picking up gravelled macadam or bituminous macadam surfaces area n exc. 400 Sqm and depth exc. 50mm but not exc. 100mm, stacking the serviceable material at site and removing the surplus material n exc. 50m, complete all as specified

75mm thick (compacted thickness in two layers ) wet mix macadam (WMM), using clean crushed stone graded aggregate and grannular material like graded coarse sand mixed with water in mixing plant spread and rolled to a dense mass on a prepared sub base to gradient and camber required, with 8 to 12 tonne power rooler complete as specified and as directed (Note : WMM should be layed with mechanical paver).

Repair to pot holes any depth not exc. 1 Sqm each including sweeping free from dust and mud or water, scoring sunken surfaces in roads, path etc, cutting around edges to at least 25mm in depth, making good by filling in screened and graded material / raod metal, watering and well ramming (Including supply of material ) complete all as specified and as directed.

Preparing black top surfaces of road by brushing with wire brushes for removing caked mud etc sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc & providing evenly a priming/tack coat with bituminous primer viscosity of bitumen grade VG-10 @ 5 Kg per 10 Sqm and laying bituminous premix asphaltic semi-dense concrete 40 mm consolidated thickness with 5.5% binder (VG-30) content by weight of total mix, prepared in hot mix plant, rolled and compacted to required camber and gradient to uniform smooth surfaces by mechanical paver and rolled with 8 to 10 tonne power roller, complete all as specified and as directed. Note: Mixing to be carried out at Hot Mixing Plant and spreading by Mechanical paver

Preparing top surfaces of WBM/WMM of road by brushing with wire brushes for removing caked mud etc sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt etc & providing evenly a priming/tack coat with bituminous primer viscosity of bitumen grade VG-10 @ 10 Kg per 10 Sqm and laying bituminous premix asphaltic semi-dense concrete 40 mm consolidated thickness with 5.5% binder (VG-30) content by weight of total mix, prepared in hot mix plant, rolled and compacted to required camber and gradient to uniform smooth surfaces by mechanical paver and rolled with 8 to 10 tonne power roller, complete all as specified and as directed. Note: Mixing to be carried out at Hot Mixing Plant and spreading by Mechanical paver.

Preparation new bituminous surfaces of road by scratching spots, oils, greasy spots etc and Painting lines, arrows, dashes, letters. etc on road pavements and the like, not exceeding 10cm wide by applying thermoplastic road marking paint , white or golden yellow with glass beads colour as MORTH specification MOST 803.4 complete all as specified and as directed. Make :- Reliance Paint.

Surface dressing n exc 15cm deep in hard /dense soil, as in berms including uprooting of grass/ spalings etc and removing rubbish to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5metre above the starting point complete all as specified and as directed.

Material and Labour for Moorum / red bajri, rolled and consolidated to gradient and camber as required (Spread thickness 100 mm ) complete all as specified and as directed.

Stud/cat eye, yellow colour, made of ABS material, having two red high reflectors moulded in PMMA and welded with ABS plate tough ultrasonic welded process, dust and water replant, compact, highly impact resistance, fixing with nail/screws/fasteners/polymer adhesive to the road surface, after preparation and making even surface, complete all as specified and as directed by Engineer-In-Charge. Make: Model No- DA 972(P) of Dark Eye/ Gunnebo/ Yash/ Green-lite.

Delineator with new metal guide post/ delineator, high performance, 02 Nos, 100mm dia reflectors of high reflection, made of PMMA and mounted on mild steel pipe of 50mm bore, duly powder coated, anti-rust and anti-theft steel net. Height not less than 800mm including taking down existing, complete all as specified and as directed by Engineer-In-Charge. Make: Model No- DA 952 GP of Dark Eye/ Gunnebo/ Yash/ Green-lite. Note: Cost of PCC, M-10 (1:3:6), type C-2 (using 40mm graded crushed stone aggregates) and earth work including excavation etc shall be deemed included in quoted rates.

KONCHOK TSEWANG