CA NO. GE(I)(AF)/SHL/ 2022-23 REPAIRS/MAINTENANCE OF ROAD SIDE FOOTPATHS, KERB STONES, CAT EYES, DELINEATORS AND CONVEX MIRROR AT AF STN LAITKOR PEAK, UNDER GE (I) AF SHILLONG

Amount

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

Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing), removing serviceable tiles to store and rubbish off the premises complete all as specified and directed.

Excavation in trenches, n exc 1.5 m wide and n exc 1.5 m in depth or n exc 10 Sqm on plan and n exc 1.5 m in depth & getting out, for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes or for laying underground cable, pipe lines etc. in soft/ loose soil, complete all as specified & directed.

Removing excavated surplus material to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5m above the starting point 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), 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 complete all as specified and directed.

M & L for 100mm thick PCC (1:4:8) type D-2 using 40mm graded stone aggregate as in sub base complete all as directed.

M & L for 15 mm thick screed bed or bedding layer in cement mortar 1:6 for laying floor finishes complete all as specified and directed.

M & L for Pavement floor vitrified tiles of size exc 0.09cm but not exc 0.36cm 10mm thick (Endura tiles of Johnson or equivalent makes listed in List of Makes) set, jointed and pointed in neat cement slurry and pointed with grey cement and pigment to match the colour of tiles in floor 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 preparation of newly plastered or unplastered/concrete surfaces of Kerb stones of any description over 10cm girth or width not otherwise described and applying two coats of synthetic enamel paint of 1st grade quality in black, white or yellow colour in alternate bands over a coat of priming paint plaster coat complete all as specified and directed.

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 replacement delineator consisting of two Nos high performance 100 mm dia reflection and two Nos rectangular reflection of size 70x23mm and identically fixed on both sides of guide post. The body of guide post moulded in ABS plastic and fixed on powder coated steel pipe of not less than 800mm height. The weight of delineator shall not be less than 1780 gms including embedding of delineator in PCC (1:2:4) block of size not less than 30x30x30cm complete including use and waste of formwork as required all as specified and as directed. Model/Make :- Model No. DA-74 of DARK EYE or equivalent product of MIS International wire product/MIS Surya Enterprises/M/S Automat road safety Pvt Ltd/ M/S TATA BP/M/S Sun Eyez.

S & F in repairs speed bump of size 335mmx450mmx75mm in yellow and black colour made from sturdy plastic material including two highly reflective reflectors moulded in PAMA material welded with base plate through ultrasonic welding process including necessary fixing metallic bolts complete all as directed. Make : Model DA 1004 of Dark Eye or equivalent model of M/S Sun Traders/ M/S Tata Solar BP/ M/S Sun Eyez Note : After assebly of bump pieces in series, length shall be measured and paid as Running Metre.

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.

S & F in repair Manufacturing, supplying and fixing retro reflective Mandatory/ Regulatory sign boards of 900 mm diametre with support length of 3750 mm and made up of 2 mm thick aluminium sheet, face to be fully covered with high intensity encapsulated type heat activated retro reflective sheeting conforming to type - IV of ASTM-D 4956-01 in blue and silver white or other colour combination including subject matter, message (bi-lingual), symbols and borders etc. as per IRC ; 67:2001, pasted on substrate by an adhesive backing which shall be activated by applying heat and pressure conforming to class -2 of ASTM-D-4956-01 and fixing the same with suitable sized aluminium alloy rivets @ 20 cm c/c to back support frame of M.S. angle iron of size 25x25x3 mm along with theft resistant measures, mounted and fixed with 2 Nos. M.S. angles of size 35x35x5 mm to a vertical post made up to M.S. Tee section ISMT 50x50x6 mm welded with base plate of size 100x100x5 mm at the bottom end and including making holes in pipes, angles flats, providing & fixing M.S. message plate of required size, steel work to be painted with two or more coats of synthetic enamel paint of required shade and of approved brand & manufacture over priming coat of zinc chromate yellow primer (vertical MS-Tee support to be painted in black and white colours).Backside of aluminium sheet to be painted with two or more coats of epoxy paint over and including appropriate priming coat including all leads and lifts etc. complete all as specified and as directed.

S & F in repair Manufacturing, supplying and fixing retro reflective Cautionary /warning sign boards of equilateral triangular shape having each side of 900 mm with support length of 3650 mm and made up of 2 mm thick aluminium sheet, face to be fully covered with high intensity encapsulated type heat activated retro reflective sheeting conforming to type - IV of ASTM-D 4956-01 in blue and silver white or other colour combination including subject matter, message (bi-lingual), symbols and borders etc. as per IRC ; 67:2001, pasted on substrate by an adhesive backing which shall be activated by applying heat and pressure conforming to class -2 of ASTM-D-4956-01 and fixing the same with suitable sized aluminium alloy rivets @ 20 cm c/c to back support frame of M.S. angle iron of size 25x25x3 mm along with theft resistant measures, mounted and fixed with 2 Nos. M.S. angles of size 35x35x5 mm to a vertical post made up to M.S. Tee section ISMT 50x50x6 mm welded with base plate of size 100x100x5 mm at the bottom end and including making holes in pipes, angles flats, providing & fixing M.S. message plate of required size, steel work to be painted with two or more coats of synthetic enamel paint of required shade and of approved brand & manufacture over priming coat of zinc chromate yellow primer (vertical MS-Tee support to be painted in black and white colours).Backside of aluminium sheet to be painted with two or more coats of epoxy paint over and including appropriate priming coat including all leads and lifts etc. complete all as specified and as directed.

MAHINDER ELECTRICALS

M/S BISWA CONSTRUCTION