CA NO. GE (I)(AF)/SHL/ OF 2022-23 REPAIRS/MAINTENANCE OF ROADS, ROAD FURNITURE, RUNWAY OF ALG AND CERTAIN MISC WORKS AT HQ EAC(U), AF UNDER GE(I)(AF) SHILLONG

Amount

Demolition of reinforced cement concrete (reinforcement cut as required to facilitate demolition) in any position not otherwise specifically provided for complete all as specified and directed.

M & L providing precast cement concrete 1:2:4 type B1 (using 20mm graded stone aggregate) as in landings, cover slabs (for man holes etc.) chullah hoods, chajjas, water troughs, mangers, shelves and similar articles with plain faces joint as directed and setting in CM 1:4 complete all as specified and directed. (Note :- Reinforcement shall be measured and paid for separately under respective items of the BOQ.)

M & L for TMT bars 10 mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9 mm dia or securing with clips, complete all as specified and directed.

M & L for forming Contraction (Dummy) joints 25mm deep x 10mm wide filled with sealing compound, Grade ‘B’ complete all as specified and directed.

M&L for premix bituminous macadam (consolidated thickness 75 mm or less) using 4% binder (paving bitumen VG-10) content by weight of total mix for repairs to road edges, in filling depressions, for filling pot holes, laid, rolled and compacted to required gradient and camber using 8 to 12 tonne power roller or for formation of speed breakers in shape as directed and compacted using 8 to 12 tonne power roller complete all as specified and directed.

M & L for repair to pot holes exc 30 mm depth n.exc 1.00 sqm each including sweeping free from dust and or water scoring sunken surfaces in roads paths etc cutting around edges at least 25mm in depth, making good by filling in screened and graded road metal, watering and well ramming (including supply of road metal), complete all as specified and directed.

M & L for preparing existing black top surfaces 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 and applying evenly a priming/tack coat of paving bitumen VG-10 @ 5 kg per 10 Sqm and laying bituminous premix carpet 40mm consolidated thickness with 0.405 Cum of stone chipping mixed with 21.90 Kg of binder (Paving bitumen VG-10) per 10 Sqm, rolled and consolidated with power roller exc 8 tonne but not exc 12 tonne capacity to required camber and gradient and sealed with premixed sand seal coat with 0.06 cum of sand mixed with 6.08 kg of paving bitumen and again well rammed 30 cm complete all as specified and directed.

M & L for cleaning and preparing road surfaces and applying 2mm thick reflective thermoplastic white or golden yellow road marking paint conforming to BIS-3262 by incorporating the white glass beads for reflectivity, laid through automatic mechanical road marking machine in a layer of CRYSTALEX for lines, dashes, arrows, Zebra marking etc in required width all as specified and as directed.

M & L for cleaning and preparing road surfaces and applying white or golden yellow road marking paint (Aqua Base) for painting lines, dashes, arrows, letters, etc.on roads ALG runway, taxi track or pavements exc 10cm width complete all as specified and directed.

M&L for preparing black top surfaces by brushing with wire brushes and removing caked mud etc, sweeping with brooms and finally fanning the cleaned surface using air blower to remove all loose dirt etc and applying cold polymer modified emulsion (PME) at the rate of 0.75 Kg per Sqm (Undiluted) with cold emulsion sprayer machine and ensure proper finishing of runway/landing ground complete all as per manufacturers instruction and all as directed. Note:- The work shall be carried out through authorized and qualified applicator of the maufacturer only.

S & F in replacement ABS Engineering plastic stud (Cat Eye) of size 100mm x 90mm x 18mm thick, dynamically designed having high impact strength and fitted with 2 Nos. highly reflective reflectors on both sides iand fixed using epoxy resin adhesive (hardner) as per manufacturer's instructions and as directed. Make : DARK EYE / 3M/ M/S Texla Plastic & Metals Pvt Ltd./ M/S Sun Eyez/M/S MB Engineering corporation/M/S Automat Road safety Pvt. Ltd

S & F in replacement solar cat eyes (studs) made of aluminium dicasted body, 100% waterproof, both side reflectors, designed according to IP 65 of size 125mm x 125mm x 25mm with shank not less than 60mm length, high efficiency mono crystaline solar panel(2.5 V/0.3 watt), one Ni-Mh or Ni-cd rechargable battery (1.2 V/1600 MA) having six super bright LEDs with 10000 to 18000 mcd (millicandela), view distance upto 1000 metre and flush road bearing capacity 10 MT, fixing in road by drilling a hole and with epoxy hardner etc as per manufacturer's instructions at the location complete all as directed. Model/Make: Model 'DHRUV' of Dark Eye or equivalent model of Make M/S Automat Road safety Pvt. Ltd / M/S MB Engineering corporation/M/S Texla Plastic & Metals Pvt Ltd./ M/S Tata Solar BP/ M/S Sun Eyez

S & F in repair road safety poly carbonate convex mirror 100cm dia encased in ABS materials, orange colour for outdoor installation including 3.0 m long and 75mm dia MS pipe as stand, fixed to ABS frame with proper fixing arrangement (Stand painting with two coats of synthetic enamel paint over one coat of red oxide primer fixed on ground in PCC block of size 45cmx45cmx50cm of PCC 1:2:4 type B-1 (using 20mm graded crushed stone aggregate) and including necessary excavation earth work and removal of soil to a distance n. exc. 50m complete all as directed. Model/Make : 3M / 7M / Dark Eye as approved by GE.

M/s Gupta Construction

M/s B.Citymai Syiem