REPAIRS/MAINT TO CERTAIN ROADS, ROAD FURNITURES, KERB STONES AT ARTY CENTRE AND OTHER AOR OF AGE B/R- I UNDER GE GOLCONDA

Amount

M&L repair to potholes of any depth, not exc. 1 sqm each and 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 filling in screened & graded road metal, watering and well ramming (including supply of road metal) making good by applying tack coat @ 5 kg per 10 sq m, putting in premixed bituminous macadam, well rammed and sealed with binder 9.8 kg per 10 sqm, blinded with 0.09 cu m of stone chippings, 6.3 mm size and again well rammed using power roller of capacity exceeding 8 tonne but not exceeding 12 tonne (including supply of premixed macadam, binder and chippings). depth of potholes n. exc. 30 mm complete all as specified and directed.

M&L 7.5 cm thick (compacted thickness) WBM, with coarse aggregates of grading 2 (63 to 40mm size) or of grading 3 (50 to 20 mm size) spread, rolled and consolidated to gradient and camber required and including preparation of unsurfaced WBM surface (to receive BM or SDAC as applicable) and applying evenly a priming / tack coat with bituminious primer @ 10 Kg per 10 Sqm using paving bitumen VG-30 Grade and scarifyng or picking gravels macadam or bituminous macadam surface in area not exc. 400 Sqm and depth exc. 50 mm and not exc. 100 mm complete all as specified and directed.

M&L consolidated thickness 75 mm or less, premixed bituminous macadam laid, spread using mechanical paver with 4% binder content by weight of total mix, using paving bitumen binder of grade VG-30 grade by weight of total mix, rolled and compacted to required gradient and camber using power roller of capacity exceeding 8 tonne but not exceeding 12 tonne complete all as specified and directed.

M&L preparing the old bituminous macadam or SDAC surface by brushing with wire brushes for removing cracked mud, sweeping with brooms and finally fanning the cleaned surfaces with gunny bags to remove all loose dirt and including applying evenly a priming tack coat with bituminous primer @ 5 Kg / 10 Sqm of surface using paving bitumen VG-30 and including bituminous premix Semi-dense asphaltic concrete (SDAC) 30 mm consolidated thickness with 5.50% binder (paving bitumen) of grade VG - 30 content by weight of total mix by using mechanical paver and vibratory roller 8 to 12 tonne, spread, rolled and compacted to required chamber and gradient complete all as specified and directed. Note: (i) For design purpose minimum binder content is specified as 5.5% for VG-30 Grade Bitumen and it shall not reduce under any circumstances. If binder content exceeds 5.5% no extra payment shall be made to contractor for excess user of binder. (ii) Binder content shall be maintained as per the Job Mix formula, Bitumen extraction test to be conducted at site each truck before laying mix, necessary testing equipment and liquid arrange by the contractor.

M&L preparing bituminous surfaces of road and marking 2.5 mm thick centre lines, stop lines, dashes, arrows etc, and the like on roads pavements with hot applied thermo plastic road marking paint of approved colour conforming to BS 3262-1989 with special applicator machine all as per manufactures instruction complete all as specified and directed.

S&F road studs (cat eye) two way reflective type of size 100 x 100 x 25 mm (min size) and max size according to manufacturer made of ABS material, scratch and abrasion resistant, micro plastic, temperature resitant body fixed on bituminous/ concrete surfaces all as per manufactures instruction complete all as specified and directed.

M&L 60 mm thick M-35 grade factory made rubber moulded precast concrete interlocking paver block in grey cement with pigments and of approved size and shape, conforming to IS 1568-2006, laid over and including 50 mm thick sand bedding layer laid to true line, level watered and mechanically compacted etc, and including dismantling complete all as specified and directed.

M&L chequered cement concrete tiles 30 cm x 30 cm x 25 mm thick with grey cement and pigment, machine pressed, set jointed and pointed in neat cement slurry in floors laid over and including 20 mm thick screed bed in CM 1:6 and including dismantling complete all as specified and directed.

M&L providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), and including making joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5 mm), including making drainage opening wherever required and including demolition complete all as specified and directed.

M&L PCC type E2, 1:5:10 (Using 40 mm graded stone aggregate) as in foundations, filling and mass concrete and including demolition complete all as specified and directed.

M&L preparation of new concrete surfaces of any description over 10 cm girth or width, not otherwise described and and applying two coats of synthetic enamel paint over a coat of primer complete all as specified and directed.

MAHIRA ENGINEERING & INFRASTRUCTURE (BID ID -3377367)

BEKKAM CONSTRUCTIONS (BID ID -3377016)

Sri Lakshmi Enterprises (BID ID -3377244)

BNS INFRA AND DESIGN (BID ID -3377341)

B Sreepathy Rao (BID ID -3376912)