SPL REPAIR TO BLACK TOP SURFACE OF DRILL GROUND AT HAPPY VALLEY UNDER GE SHILLONG

Amount

Scarifying or picking gravelled, macadam or bituminous macadam surfaces in area exceeding 400 sqm, depth of pothole not exceeding 50 mm including rolling over the broken surfaces using 8 to 10 tonnes power roller to required camber and gradient complete all as specified and directed.

Material and labour for providing premixed bituminous macadam laid/rolled and compacted to required gradient and camber using 8 to 10 tone capacity power roller (consolidated thickness 75mm or less) using paving bitumen (VG 30 Grade) @ 4% by weight of total mix complete all as specified and directed. Note:- (i) The exact bitumen content required shall be determined Mix Design procedure and approved by GE. The adjustment in rate on MINUS side variation in quantity of bitumen if any shall be priced at the rate of ₹67 per kg. No claim whatsoever shall be made for adjustment in plus side. (ii) Bituminous macadam shall be laid using self propelled hydrostatic paver finisher and preparation of mix shall be using hot mix plant and transporting the mix in tipper.

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.

M & L for applying evenly a priming coat with bituminous primer (paving grade bitumen VG-10 grade) @ 7.5 kg per 10 sq metres complete all as specified and directed.

M & L for semi dense bituminous concrete 40 mm (compacted thickness) using graded crushed stone aggregate premixed with binder (paving grade bitumen VG-30 grade) @ 4.5% by weight of total mix & hydraulic lime/cement(OPC-43 Grade) filler, rolled and compacted to required camber and gradient complete all as specified and as directed. Note:- (i) Semi dense bituminous concrete shall be laid using self propelled hydrostatic paver finisher and preparation of mix shall be using hot mix plant and transporting the mix in tipper. (ii) The exact bitumen content required shall be determined following the Marshall Mix Design procedure contained in the Asphalt Institute Manual MS-2 (Sixth Edition) as referred in case 3.5.3 of IRC 111: 2009. The adjustment in rate on MINUS side variation in quantity of bitumen if any shall be priced at the rate of ₹67 per kg. No claim whatsoever shall be made for adjustment in 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 of approved colour conforming to BS 3262-1989 with special applicator machine all as per manufacturers instruction complete all as specified and 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.

Demolition of ashlar facings, dressed stonework, precast concrete articles and precast concrete block walling built in cement mortar including all quoins, arches, pillars, etc. complete all as specified and directed.

M & L for precast cement concrete solid block masonry of grade C(5.0) with concrete M 10 (Nominal Mix) using 20 mm nominal size graded crushed stone aggregate exceeding 10 cm in width and set in cement mortar (1:6) complete all as specified and as directed.

Material and labour for plastering 15 mm thick (in two coats of 10 mm and 5 mm thick) on fair faces of brick work or concrete surfaces in cement mortar 1:4 finished even and fair complete all as specified and as directed.

Demolition of reinforced cement concrete (reinforcement cut as required to facilitate demolition) in any position below or above ground floors, not exceeding 15 cm in depth complete all as specified and directed.

M & L for precast cement concrete M15 (Nominal Mix) using 20 mm nominal size graded crushed stone aggregate in landings, cover slabs (for man holes etc.) chullah hoods, chajjas, water troughs, mangers, shelves and similar articles with plain faces fair faces, including chamfers, weatherings, throating etc. and setting in cement mortar (1:6) complete with joints to match complete all as specified and directed

M & L for mild steel TMT bars 10 mm dia and over, cut to length, bent to shape required, including hooking ends and binding with and including mild steel wire (annealed) not less than 0.9 mm dia or securing with clips and including welding has to be done with minimum 20 cm over lap for new and old of any height complete all as specified and as directed.

M & L for cement concrete in surface channels and drains in M10(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

M & L for extra for forming fair finished drain or channel 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/ stopped ends etc. complete all as specified 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 directed.

RGS Construction (BID ID -3474391)

MAHINDER ELECTRICALS (BID ID -3477541)