Provn of special repair to roads at various locations at Military Station Bikaner under GE (N) Bikaner

Amount

Scarifying or picking gravelled, macadam or bituminous macadam surfaces in area not exc 400 sqm, depth exc 50 mm and not exc 100 mm, complete all as specified and as directed.

M&L for 75 mm thick (compacted thickness) WBM with coarse aggregates of granite, trap or basalt stone of grading 2 (63 mm to 40 mm size) or of grading 3 (50 to 20 mm size), blinded with screening of hard stone of grading ‘A’, spread, watered and rolled with 8 to 12 tonne power roller, hollows made up to form true surface and consolidated to required gradient and camber etc, complete all as specified and as directed.

All as per serial item No. 2.00 here-in-before but except stone aggregate. Note :- Stone aggregate retrieved from serial item No. 1.00 shall be used.

M&L for providing, laying, spreading premix bituminous macadam with crushed and graded stone aggregate mixed together with 4.5% of paving bitumen of grade VG-30 by weight of total mix including heating bitumen to the required temperature, mixing bituminous macadam in automatic and temperature controlled hot mixing plant, laying, spreading by means of mechanical paver and rolling and consolidating to the required gradient and camber (consolidated thickness 75 mm or less) with 8 to 12 tonne power road roller complete all as specified and as directed. Notes : Job mix formula of premix bituminous macadam shall be approved by CWE.

M&L for preparing surfaces by brushing with wire brushes for removing caked mud etc., sweeping with brooms and finally fanning the cleaned surface with air compressor through air jet to remove all loose dirt etc and applying evenly a tack coat of paving bitumen primer of grade VG-10 at the rate of 05 Kg per 10 Sqm of surface by sprayer operated on hot pressure mechanism complete all as specified and as directed.

M&L for preparing black top bituminous surfaces by brushing with wire brushes for removing caked mud etc., sweeping with brooms and finally fanning the cleaned surfaces with air compressor through air jet to remove all loose dirt etc and applying evenly a tack coat of paving bitumen primer of grade VG-10 at the rate of 05 Kg per 10 Sqm of road surface by sprayer operated on hot pressure mechanism, providing, laying, spreading 30mm thick (consolidated thickness) of premix Semi Dense Asphaltic Concrete (SDAC) with crushed and graded coarse aggregates as per design based on Job mix formula with 5.5% bitumen binder content (bitumen of Grade VG-30) by weight of total mix including heating bitumen to the required temperature, mixing bituminous concrete in automatic and temperature controlled hot mixing plant, laying, spreading uniformly by means of Mechanical paver and rolling and consolidating to the required gradient and camber with 8 to 12 tonne power road roller and Vibromax roller to a uniform smooth surfaces complete all as specified and as directed. Notes : (i) Job mix formula shall be approved by CWE. (ii) Paving bitumen primer of Grade VG-10 for tack coat and bitumen of Grade VG-30 for semi dense asphaltic concrete shall be used and shall be procured by the contractor under his own arrangement and at his own cost. (iii) Cost of all the materials, T&P, labour etc. required for preparation of surfaces, applying tack coat, providing and laying semi dense asphaltic concrete including procurement of bitumen as specified here-in-before, stone aggregates & sand etc., rolling and all other elements required for entire completion of the job shall be deemed to be included in the unit rate quoted for this item. (iv) Computerised print out of data of bituminous concrete in automatic and temperature controlled hot mixing plant shall be provided to the GE by contractor.

Material & Labour for preparing newly laid un-surfaced WBM surfaces by brushing with wire brushes for removing caked mud etc., sweeping with brooms and finally fanning the cleaned surfaces with air compressor through air jet to remove all loose dirt etc and applying evenly a tack coat of paving bitumen primer of grade VG-10 at the rate of 10 Kg per 10 Sqm of road surface by sprayer operated on hot pressure mechanism, providing, laying, spreading 40mm thick (consolidated thickness) of premix Semi Dense Asphaltic Concrete (SDAC) with crushed and graded coarse aggregates as per design based on Job mix formula with 5.5% bitumen binder content (bitumen of Grade VG-30) by weight of total mix including heating bitumen to the required temperature, mixing bituminous concrete in automatic and temperature controlled hot mixing plant, laying, spreading uniformly by means of Mechanical paver and rolling and consolidating to the required gradient and camber with 8 to 12 tonne power road roller and Vibromax roller to a uniform smooth surfaces complete all as specified and as directed. Notes : (i) Job mix formula shall be approved by CWE. (ii) Paving bitumen primer of Grade VG-10 for tack coat and bitumen of Grade VG-30 for semi dense asphaltic concrete shall be used and shall be procured by the contractor under his own arrangement and at his own cost. (iii) Cost of all the materials, T&P, labour etc. required for preparation of surfaces, applying tack coat, providing and laying semi dense asphaltic concrete including procurement of bitumen as specified here-in-before, stone aggregates & sand etc., rolling and all other elements required for entire completion of the job shall be deemed to be included in the unit rate quoted for this item. (iv) Computerised print out of data of bituminous concrete in automatic and temperature controlled hot mixing plant shall be provided to the GE by contractor.

M&L for repairs to pot holes, not exc 1 square metre each, including sweeping free from dust and mud, or water, scoring sunken surfaces in roads, cutting around edges to at least 25 mm in depth, on existing road surfaces, and making good applying evenly a tack coat of paving bitumen primer of grade VG-10 at the rate of 05 Kg per 10 Sqm, putting in premixed bituminous macadam with crushed and graded stone aggregate mixed together with 4.5% of paving bitumen of grade VG-30 by weight of total mix, well rammed and sealed with binder 9.8 Kg per 10 sqm, blinded with 0.09 Cum of stone chippings, 6.3 mm size and again well rammed including supply of premixed macadam, binder and chipping, depth of pot holes exc 30mm, complete all as specified and as directed. Note : Job mix formula of premix bituminous macadam shall be approved by CWE.

M&L for Moorum / red bajri in road side berms or paving, 100mm spread thickness, rolled and consolidated to required gradient and camber using with 8 to 10 tonne mechanical power road roller including watering as in granular sub base and light wearing surfaces complete all as specified and as directed.

M&L for Thermo plastic road marking 2.0 mm thick painting (lines, dashes, arrows, letters etc on new or previously treated road surfaces) with road safety spikeries glass beads including preparation of new or previously treated road surfaces and applying paint by using special applicator machine with heating arrangement complete all as specified and as directed.

M&L for continuous Jodhpur stone slab edging, not less than 7.5 cm thick, 30 cm to 35 cm wide (for depth of edging) and 30 cm to 45 cm long, laid dry vertically, jointing and pointing in CM 1:4, each stone slab self faced on both the vertical sides, edges slightly true and square on top edge, hammer dressed for the full thickness so that the depression from a straight edge held against the surfaces shall not exceed 20 mm between two joints of slab including necessary excavation and embedding stone edging to depth required and tamping ground around stone edging and also including spreading surplus soil on berms complete all as specified and as directed. Notes :- (i) The stone slabs shall be laid abutting to each other in such a way that thickness of edging is equal to thickness of stone slabs and depth of edging is equal to width of stone slabs. (ii) The stone slabs shall be obtained from “Chitter quarry” at “Jodhpur”. (iii) In case edging is laid on both sides of a road, each side of road shall be measured and paid for separately.

Supply & fixing road stud of size 109 x 100 x 20 mm, two way reflective, plastic body, Red or Amber colour, complete all as specified and as directed including dismantling and taking out old unserviceable / broken road stud of any type. Notes :- (i) Road Stud shall be of Model “DA 972 P’ of make ‘DARK EYE’ or equivalent of make GREENLITE / 3M / TATA BP / Avery Dennison / Alexis / Oscar / DEV / Surya / Sharp Eyez. (ii) Reflector shall be positioned at the best eye guiding level so that drivers shall be warned from a safe distance.

S&F all directional retro-reflective round delineator short made out of 16 gauge MS pipe of outer dia 47mm and of length 600mm, powder coated, having 200mm wide High Intensity Prismatic reflective band of colour white and red, reflective bands protected with welded wire mesh cage, delineator shall be fixed in plain cement concrete 1:2:4 Type B1 (using 20mm graded crushed stone aggregate) block of size 300x300x350mm deep, including necessary excavation & earthwork, complete all as specified and as directed including dismantling and taking out old unserviceable / broken delineator of any type. Note :- Delineator shall be of Model “GPL-11-20” of make ‘GREENLITE’ or equivalent of make DARK EYE / 3M / TATA BP / Avery Dennison / Alexis / Oscar / DEV / Surya / Sharp Eyez.

S&F Solar road Stud of size 125mm x 125mm x 25mm (shank 60 mm), aluminium alloy shell, electronically operated automatically turns ON at night and turns OFF at day, high efficiency mono crystalline solar panel 2.4 V / 0.3 Watt, one Ni-Mh or Ni-Cd rechargeable battery (1.2 V / 1600 MA), six super bright LEDs with 10000 to 18000 mcd (Millicandela), view distance upto 1000m, flash rate 2 Hz, capable to withstand weight upto 10 tonne, unbreakable poly carbonate clear facing designed for maintenance free operation, 100% water proof design according to IP-65, Red or Amber colour, complete all as specified and as directed including dismantling and taking out old unserviceable / broken solar road stud of any type. Notes :- (i) Solar Stud shall be of Model “DA 110 (DHRUV)’ of make ‘DARK EYE’ or equivalent of make GREENLITE / 3M / TATA BP / Avery Dennison / Alexis / Oscar / DEV / Surya / Sharp Eyez. (ii) Reflector shall be positioned at the best eye guiding level so that drivers shall be warned from a safe distance.

S&F ABS plastic speed bumps studded with reflectors on either side fixed on road surface with & including nails / screws / bolts / polymer / epoxy adhesive etc all as per manufacturer’s instructions including filling up hollow portion of bumps with & including PCC 1:2:4 type B0 (using 12.5mm graded crushed stone aggregate) complete all as specified and as directed including dismantling and taking out old unserviceable / broken speed bumps of any type. Note :- Speed bump shall be of Model “DA 1005’ of make ‘DARK EYE’ or equivalent of make GREENLITE / 3M / TATA BP / Avery Dennison / Alexis / Oscar / DEV / Surya / Sharp Eyez.

S&F High Intensity Prismatic (HIP) grade retro reflective sheet in approved colour, cutting precisely in required shape & size, pasting on old/new stainless steel / mild steel / fiber sheet of sign board including removal of old unserviceable sheet where required and preparation of surfaces as per manufacturer’s instructions complete all as specified and as directed. Make : 3M (HIP) Series 3930 or equivalent of make Dark Eye / Greenlite / TATA / Avery Dennison / Alexis / Oscar / DEV / Surya / Sharp Eyez.

M&L for writing letters, numerical, arrows, dashes, signs, symbols, etc of height & width as directed with & including HIP grade retro reflective tape in approved colour including cutting precisely in required shape & size, pasting on old/new stainless steel / mild steel / fiber sheet of sign board including preparation of surfaces as per manufacturer’s instructions complete all as specified and as directed. Make : 3M / Dark Eye / Greenlite / TATA / Avery Dennison / Alexis / Oscar / DEV / Surya / Sharp Eyez.

S&F road safety Convex Mirror of size 800mm dia made of one piece polycarbonate lens with hood for road turning, intersection, curves, ‘T’ junction, etc, unbreakable & strong, mounted on & including 2.50 metre long vertical pole made out of 50mm bore mild steel medium grade pipe duly powder coated, fixed with adjustable clamp, pole fixed in plain cement concrete 1:2:4 Type B1 (using 20mm graded crushed stone aggregate) block of size 450x450x450mm deep including necessary excavation & earthwork, complete all as specified and as directed including dismantling of old unserviceable / broken mirror with pole of any type & size. Make – 3M / Dark Eye / Greenlite / TATA / Avery Dennison / Alexis / Oscar / DEV / Surya / Sharp Eyez. Notes : (i) A mild steel base plate of size 250mm x 250mm x 3mm shall be welded at bottom of pole. (ii) All steel & iron surfaces other than powder coated shall be painted with two coats of synthetic enamel paint of approved tint over a coat of red oxide zinc chrome primer.

Excavating in post holes (or similar holes) each not exc 0.50 cum, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exc 25cm, watering, and removing surplus soil to a distance not exc 50 m and making good surface in soft/ loose soil complete all as specified & as directed.

M&L for PCC 1:2:4 type B2 using 40 mm graded crushed stone aggregate as in foundations, filling and mass concrete complete all as specified and as directed.

S&F mild steel framed work such as grills, gratings, etc with ends of bars shouldered and/or riveted, or forged into spikes, framed guard bars, barred iron doors, ladders, framed balusters, framed signed boards, walk ways, railings, framework of water tanks and similar work including welding conforming to Grade E-165 (Fe 290), complete all as specified & as directed.

S&F mild steel screw bolts (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut, not exc 5 cm long and dia of neck 5 to 10 mm complete all as specified.

S&F mild steel plain black sheet 1.25mm thick in wall cladding, steel gates, sign boards and similar work, cut to size, holes punched, including round headed screws, clout nails or rivets and fixed to steel framing with plain 40mm lap joints with riveted or welded seams, including bending or turning up, mitred angles, etc. as required complete all as specified & as directed.

M&L for preparation of new steel and iron surfaces of any description over 10 cm in width or girth and applying two coats of synthetic enamel paint of approved tint over a coat of zinc chrome primer complete all as specified & as directed.

M&L for preparation of old painted plastered/concrete surfaces of walls, sign boards, etc and writing/making road signs, arrows, figures, letters, index hands, etc in width exc 10cm with two coats of reflective paint of approved tint over a coat of priming paint complete all as specified & as directed.

M/s Madan Gopal Vyas

SHREE GURU NANAK CONSTRUCTION COMPANY