REPAIR/ MAINTENANCE TO ROAD AND BERMS OF OTM ACCN AND MD ACCN AT VARIOUS LOCATION OF HAPPY VALLEY UNDER GE SHILLONG

Repair to potholes any depth, not exceeding 1 sqm each including sweeping free from dust and mud, or water, scoring sunken surfaces in roads, paths, etc., cutting around edges to at least 25 mm in depth, making good by applying tack coat at the rate of 5 kg per 10 Sqm, putting in bituminous macadam well rammed (including supply of bituminious carpet, binder and chhipping) and sealed with bitumen 9.8 kg per 10 sqm blinded with 0.09 cum stone chippings, 6.3 mm size depth of pot holes exc 30mm and rolled and compacted with power roller 8 to 12 tonnes to required camber and gradient complete all as specified and as directed.

Preparing existing black top surfaces by brushing with wire brushes for removing caked mud etc., sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc. complete all as specified and as directed.

Material and labour for bituminous premixed semi-dense asphaltic concrete, 40mm consolidated thickness using 5.5% paving bitumen (VG 30 Grade) binder content any penetration by weight of total mix, mixed in central computerized hot mix plant and laid using mechanical self propelled paver and rolled and compacted with 8 to 12 tonne power roller to uniform surfaces with required camber and gradient complete all as specified and as directed. Note:- Semi dense asphaltic bituminous concrete shall be designed as per design mix. Contractor shall quote his unit rate considering the bitumen contents as 5.5 %. Any variation in binder content on minus side shall be adjusted at the rate of ₹95.00 per KG of binder. No adjustment in price shall be made if the variation is on plus side.

Material and labour for preparing bituminous surfaces of road and marking 2.5mm thick centre lines stop line dashe arrow etc and the like not exceeding 10cm wide on road pavement with hot applied thermo plastic road marking paint with reflectorizing glass beads on bituminious surface @ 250gms/ sqm area as per IRC: 35- 1997 of approved colour conforming to BS 3262-1989 with special applicator machine all as per manufacturers instruction complete all as specified and directed.

S&F in repair speed breaker of size 750mm X250 mm X75mm made out of ABS material with two highly reflective reflectors moulded in PMMA materials welded with ABS plate through ultrasonic welding process fixed on to the speed breaker so the dust and water can not touch reflectors inside and fixed complete all as specified and directed.

S&F in repair traffic convex mirror of of 80cm dia having 130 degree viewing angle made of polycarbonate material , brim and back holding plate is made of metal/FRB along with pole mounted brackets and pole 60mm dia, min height 1.5m made with galvanised steel pipe (medium grade) duly painted with two coats of synthetic enamel paint over a coat of red oxide primer fixed to the ground by means of PCC 1:2:4 type B2 (using 40mm dia graded stone aggregate) in foundation/filling (size 50cmx50cmx60cm) all as specified and as and as directed.

S & F in repair metal tubular delineators (road way indicators) made out of ABS round body fitted with 2 Nos of 65 mm dia highly reflective reflectors made out of PMMA and mounted on 45/50 mm mild steel pipe of 600 mm height duly power coated and thermo plastic elastomers 3 bands of green, red and yellow reflector radium tape of 25 mm wide strip with anti theft steel net for reflector protection including embedded 200 mm below ground level including excavation and PCC M15(Nominal Mix) (150x150x300mm) with using 20 mm graded stone aggregate in foundation and making good surface complete all as specified and as directed.

S&F in repair cat eye solar reflective type of metal body alloy of size 100mm x 100mm x 20mm with PAMA striplens reflector of model No. DA 972.0 fixed with and incl MS stud of suitable size as per manufactures instructions complete all as specified and directed.

Supply and fixing in repair solar cat eye aluminum alloy shall (100% water proofing design according to 65) of size 125mm x 125mm x 25mm (shank 65mm) of high efficiency Mono rystafie solar panel 2.4V/ 0.3 watt one NI-ed rechargeable battery (1.2V/ 1600MA) consisting of super bright LED with 10,000 to 18,000 mcd, 3 pieces each side and total 6 pieces are used for high brightness and backup for 12 hours completed as per manufactures instructions etc complete all as specified and as directed.

Demolition of cement concrete(unreinforced) in ground floors and paving not exceeding 15 cm thickness (below or above ground level) and complete all as specified and as directed.