88409E8 SPECIAL REPAIRS TO ROADS IN CERTAIN OFFRS ACCN AND CAMP AREA UNDER GE CHENNAI.

Amount

BOQ UPLOADED ON 09 NOV 2021

SCHEDULE "A" PART-I (REPAIRS ROADS)

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided for and removal of unserviceable debris to outside of MD land complete all as specified and as directed.

Surface dressing not exceeding 150mm deep in soft / loose soil complete all as specified and as directed.

Plain cement concrete, 1:4:8, type D2, using 40mm graded stone aggregate, 100mm thick as in sub-base to floor complete all as specified and as directed.

Spreading and levelling coarse M-sand below interlocking paver block paving as cushioning, complete all as specified and as directed.

Machine pressed precast concrete interlocking paver block any shape and size conforming to IS 15658-2006 of 60mm thickness M-35 grade with grey cement and pigment complete all as specified and as directed.

Factory made 80mm thick chamfered edge cement concrete paver block of M-30 grade with approved colour, design and pattern as in footpath, parks, lawns, drive ways or light traffic parking etc., of required strength, thickness & size / shape, made by table vibratory method using PU mould, laid in required colour and pattern over and including 50mm thick compacted bed of coarse M-sand, compacting and proper embedding/ laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with fine M-sand and cutting of paver block as per required size and pattern, finishing and sweeping extra sand; complete all as specified and as directed.

Factory made kerb stone of M-25 grade cement concrete, laid at or near ground level 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 as directed.

Repairs to potholes any depth not exceeding 1 sqm each including sweeping free from dust and mud, or water, scoring sunken surfaces in roads, paths etc., cutting around edges to atleast 25mm in depth, making good by filling in screened and graded road metal (including provision of road metal), watering and well ramming complete all as specified and as directed.

Preparing WBM surfaces of repaired pothole 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.

Applying evenly using pressure sprayer a priming / tack coat with bituminous primer of paving bitumen of Grade VG-30 at 30 kg / 10 Sqm over WBM surfaces of repaired pothole complete all as specified and as directed.

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.

Applying evenly using pressure sprayer a priming / tack coat with bituminous primer of paving bitumen of Grade VG-30 at 5 kg / 10 Sqm over bituminous surfaces complete all as specified and as directed.

Bituminous premix semi-dense asphaltic concrete (SDAC), 40mm consolidated thickness with 5.5% binder content by weight of total mix, (paving bitumen VG-30) and filler of 2 % cement, rolled and compacted to required camber and gradient complete using mechanical paver and rolled to a uniform, smooth surface using Tandem vibratory roller complete all as specified and as directed.

(a) Contractor shall quote his rate by considering 5.5% bitumen content. If it is less than 5.5% by weight of total mix, the amount shall be recovered for the less weight of binder only at the rate of Rs 42/- per Kg if technically acceptable. No other claim whatsoever on account of this will be allowed.

(b) No price adjustment shall be applicable if excess quantity of binder content is used / approved in the execution of work under this item.

(c) Cement shall be used as filler at a minimum of 2% by weight of total mix. In the event of variation in the mix design in the percentage of filler content on plus side, nothing extra shall be paid.

(d) The coarse aggregate for SDAC shall be granite stone.

Removing old CAT eyes and taking on credit and provision of new CAT eyes (Road studs) of size 100mmx110mmx24mm made up of weather resistant high impact polymer conforming to ASTM D4280 and having electronically welded micro prismatic lens with abrasion resistant coating and fixed with shank and epoxy adhesive conforming to IS as per manufacturer’s instructions complete all as specified and directed.

Make shall of Cat No. DA-972 of Dark Eye or equivalent of makes as listed here-in-after as approved by GE.

Removing old CAT eyes and taking on credit and provision of new Duo directional CAT eyes (Road studs) of size 100mmx110mmx20mm made up of weather resistant high impact polymer conforming to ASTM D4280 and having electronically welded micro prismatic lens with abrasion resistant coating and fixed with 2 Nos of polymer shanks and epoxy adhesive conforming to IS as per manufacturer’s instructions complete all as specified and directed.

Make shall of Cat No. DA-52 of Dark Eye or equivalent of makes as listed here-in-after as approved by GE.

Solar studs made out of aluminium composite body (of load capacity 20 Tonne) fixed with bright LEDs 3 Nos (RED) on each side, size 125mmx125mmx25mm and shank 65mm, with battery of Li / Cd and to be fixed using adhesive as per manufacturer’s instructions complete all as specified and directed.

Make shall of Cat No.Dhruv DA-110 of Dark Eye or equivalent of makes as listed here-in-after as approved by GE.

Removing old reflective delineator and taking on credit and provision of new MS round pipe retro reflective delineator with protection cage fixed on pedestal 300mm x 300mm x 450mm, of PCC 1:2:4, type B1 using 20mm graded stone aggregate duly anchored in ground on various locations as per manufacturer’s instructions and finished with plastering 10mm thick in CM 1:6, finished with white wash three coats after preparing surface complete all as specified and directed.

Make shall of Cat No.DA-952-GP of Dark Eye or equivalent of makes as listed here-in-after.

Removing old Solar delineator and taking on credit and provision of new Solar delineator fixed on pedestal 400mm x 400mm x 600mm, of PCC 1:2:4, type B1 using 20mm graded stone aggregate duly anchored in ground on various locations as per manufacturer’s instructions and finished with plastering 10mm thick in CM 1:6, finished with white wash three coats after preparing surface as in repairs complete all as specified and directed.

Make shall of Cat No.DA-112 of Dark Eye or equivalent of makes as listed here-in-after.

Convex traffic mirror 800mm size fixed on Stainless steel pipe 50mm dia, base plate and height 2500mm fixed on pedestal 600mm x 600mm x 1500mm, of PCC 1:2:4, type B1 using 20mm graded stone aggregate duly anchored in ground on various locations as per manufacturer’s instructions and finished with plastering 10mm thick in CM 1:6, finished with white wash three coats after preparing surface complete all as specified and directed.

Make shall of Cat No.CM-04(1) of Dark Eye or equivalent of makes as listed here-in-after.

Removing old speed bump and taking on credit and provision of new Yellow and black plastic speed bump made of PE material, highly reflective reflector mould in PMMA, material welded with plate through ultrasonic welding process etc, size of sub unit of the speed bump 350mmx250mmx50mm, dovetail interlocked to bind perfectly into one firm bump of 40 ton load capacity with end cap on road including epoxy for fixing speed bumps with necessary bolts/nuts etc., as per manufacturer’s instructions as in repairs complete all as specified and directed.

Make shall of Cat No.DA-1005 of Dark Eye or equivalent of makes as listed here-in-after.

Preparing road surface including cleaning the road surface of all dirt, seals, oil, grease and foreign material etc and applying 2.5mm thick road marking strips (Retro reflective) of specified shade/colour using hot thermoplastic material conforming to IS-164(1981) of width not exceeding 100mm by fully automatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser including glass beads, propane tank heater and profile shoe heater, driven by experienced operator in accordance with manufacturer’s instructions all as per BS EN 1871, BS EN 1423 and BS EN 1424 complete as specified and directed.

Preparing road surface including cleaning the road surface of all dirt, seals, oil, grease and foreign material etc and applying 2.5mm thick road marking strips (Retro reflective) of specified shade/colour using hot thermoplastic material conforming to IS-164(1981) of width exceeding 100mm by fully automatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser including glass beads, propane tank heater and profile shoe heater, driven by experienced operator in accordance with manufacturer’s instructions all as per BS EN 1871, BS EN 1423 and BS EN 1424 complete as specified and directed.

Retroreflective regulatory sign board of size 900 mm dia meter made out of 2 mm thick aluminium sheet, face to be fully covered with high intensity encapsulated lens type retro-reflective sheeting, letter, symbols, borders etc. will be as per IRC - 67 with required colour scheme on the boards and with the high intensity grade A. The aluminium sheet to be riveted to M.S. frame of angle iron of size 40x40x4 mm. The boards will be fixed to 1 No. 50x50 mm square post made of M.S. angle 50x50x4mm, 4 m long welded to the frame with adequate anti-theft arrangement .Steel work to be painted with two or more coats of synthetic enamel paint over an under coat (primer) and back side of aluminium sheet to be painted with two or more coats of epoxy paint including appropriate priming coat complete in all respects as per direction of Engineer-in-charge complete all as specified and as directed.

kcs builders