REPAIR/RESURFACING OF ROAD AT NIMU MIL STN UNDER AGE(I)NIMU

Amount

Scarifying or picking gravelled, macadam or bituminous macadam surfaces in area n exc 400 sqm ( depth exceeding 50 mm but n. exc 100 mm) including stacking usable materials for re-use and removing rubbish to a distance n. exc 50 m complete all as specified and directed by Engineer-in-charge.

M & L for 75 mm thick ( Compacted thickness) WBM with coarse aggregate of grading 2 ( 63 to 40 mm size) or of grading 3 ( 50 to 20 mm size) of granite, trap, or basalt, spread, rolled and consolidated to required gradient and camber complete all as specified and directed by Engineer-in-charge.

All as per Srl item No 2 here-in-before but except aggregate obtain from item No. 1 complete all as specified and as directed by Eng-in-charge.

M&L for preparing unsurfaced water boumd macadam surfaces and applying evenly a priming/tack coat with bituminous primer using paving bitumen VG-10 @ 10 Kg per 10 Sqm complete all as specified and directed by Engineer-in-charge.

M&L for premixed bituminious macadam with 4% of binder content by weight of total mix using paving bitumen VG-10 laid with self propelling mechanical paver, rolled & compacted with roller of 8 to 12 ton to required gradient and cabmer ( consolidated thickness upto maximum 75 mm) to make good the cut edges of roads etc complete all as specified and directed by Engineer-in-charge.

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 including cutting around edges to atleast 25mm in depth and making good by applying tack coat using paving bitumen VG-10 @ 5 kg per 10 sq m. putting in premixed bituminous macadam, well rammed and sealed with binder 9.8 kg per 10 sq m, blinded with 0.09 cum of stone chippings, 6.3 mm size and again will rammed (including supply of premixed macadam, binder and chippings), depth of potholes exc 30mm and directed by Engineer-in-charge.

M&L for Preparaing existing black top surafce by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surafces with gunny bags to remove all loose dirt etc and applying evenly a priming / tack coat with bituminous primer using paving bitumen VG-10 @ 5Kg/X Sqm complete all as apecified and as directed by Eng-in-charge.

M&L for Bituminous premixed asphaltic dense concrete 40mm consolidated thickness with 6% binder content usingpaving bitumen VG 10 by weight of total mix laid with self propelling mechanical paver, rolled and compacted with roller of 8 to 12 ton to required camber and gradient with power roller complete all as specified and directed by Engineer-in-charge.

S&F in repair dual directional reflective road studs (cat eye) of impact resistant plastic stud 110mm X 110mm, double moulded solid state having ultra-voilet resistant colour (white/red/yellow) with four round disc containging 28x2-56 mini retro reflective glass beass of colour white/red/yellow to a side provided with L-key steel 12mm dia bolt along with ABS plastic stem of length 55mm for fixing on road with epoxy adhesive complete all as specified and directed by Engineer-in-Charge.

S&F in repair Solar road delinator having 6 LEDs of colours red/ yellow to a side (total 6 Nos) housed in a tough pressure die casted aluminum alloy/plastic body, LEDs, solar-cells, battery and light sensor well protected inside by polycarbonate sheet, device protected with powder coated wire mesh cage, system mounted over 47mm dia steel tube powder quoted of length 600mm having sheet foot for firm grip to ground, system workable for 2-3 days (nights) after full charge for 8-10 hour complete all as specified and directed by Engineer-in-Charge.

M & L Preparation of new / old road surfaces and applying reflective thermoplastic road marking paint (White or golden yellow) of minimum 2.50 mm thick (conforming to BIS-3262), single coat as in centre line and edge line road marking of 150/ 100mm width using 'HOT MARK' by indigenous modern propelled road marking machine as directed including all ingredients such as binder, glass beads, titanium dioxide, calcium carbonate, inter filler as specified in table 803.4 of MORTH specification, thermoplastic requirement for glass beads shall be as specified in (intermix) type-I, MOST/BS 6088A and road marking shall done as per provisions contained in IRC-35-1997, complete all as specified and directed by Engineer-in-Charge.

KONCHOK TSEWANG