SPECIAL REPAIRS TO ROAD AT CERTAIN PLACES UNDER GE(A) KOLKATA

Amount

Scarifying or picking gravelled, macadam or bituminous surfaces in area n.exc 400 Sqm and depth exc 50mm & n.exc 100mm deep including removal from site of work complete all as specified & directed.

Screening road metal, chippings etc on the site of work, when specially ordered including removing screened materials clear of screen and stacking in separate heaps for measuring (Materials from both sides of screen measured) complete all as specified & directed.

Material & labour of water bound macadam, 150mm thick (compacted thickness) in two layers each layer 75 mm thick compacted separately with broken stone aggregate of grading 2 ( 63 to 40 mm size) (Granite, Trap or Basalt) spread rolled with 8 to 10 ton power roller and consolidating to required gradient and camber complete all as specified & directed. NOTE:- Each layer shall be rolled separately. Measurement shall be recorded for compacted thickness of 150mm.

All as per item no 3 here-in-before but reusing old screening material of grading 2 (63mm to 40mm size) obtained from item no-2 above complete all as specified & directed.

Material & labour for preparation of WBM surfaces by brushing with wire brush for removing caked mud etc sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc and applying evenly a tack coat with paving bitumen (VG-10) @ 10 Kg per 10 Sqm with mechanical pressure sprayer complete all as specified & directed.

Material & labour for preparation of black top surfaces by brushing with wire brush for removing caked mud etc sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc and applying evenly a priming / tack coat with bituminous primer [email protected] kg per 10 Sq metre complete all as specified & directed.

Material and labour for premix bitumen macadam using paving bitumen VG-30 grade with 4% minimum binder content by weight of total mix,laid/rolled and compacted to requiired gradient and camber, (Consolidate thickness 75 mm or less) complete all as specified and directed. Note: (a) Bituminous Macadam will be spread through Mechanical Paver Machine only. (b)No price adjustment shall be applicable if the approved quantity of binder as per design mixed is more that specified quantity. (c) The contractor is advised to assess the realistic quantity of binder for the design mix specified above before quoting. if considered necessary, they may get the design mix done on their own before quoting the Tender. However, the design mix done prior to quoting of Tender shall not be considered for incorporation in the work after conclusion of contract and have to be done as specified above.

Material and labour for Bituminous premix asphaltic semi dense concrete 40mm consolidate thickness with 5.50% binder(Paving bitumen of VG-30 Grade) content by weight of total mix, rolled and compacted to required camber and gradient complete using 8-12 ton capacity mechanical power roller complete all as specified & directed. Note: - (a) Bituminous Premix Asphaltic Semi Dence concrete will be spread through Mechanical paver Machine only. (b)No price adjustment shall be applicable if the approved quantity of binder as per design mixed is more that specified quantity. (c) The contractor is advised to assess the realistic quantity of binder for the design mix specified above before quoting. if considered necessary, they may get the design mix done on their own before quoting the Tender. However, the design mix done prior to quoting of Tender shall not be considered for incorporation in the work after conclusion of contract and have to be done as specified above.

Material & labour for repair to potholes exe 30 mm depth but not exc 1 sqm each including sweeping free from dust and mud or water, scoring sunken surfaces in roads, paths, etc. and cutting around edges to at least 25 mm in depth, making good by filling in screened and graded road metal, watering and well ramming (including supply of road metal) and applying tack coat with bituminous primer VG-10@ 5Kg per 10 Sqm including premixed bituminous carpet 25mm thick (consolidated) with 0.34 cum of stone chipping mixed with 18.25 kg of binder(VG-30 grade) and rolled & compacted and sealed with premixed sand seal coat with 0.06 cum of sand mixed with 6.8 kg of VG-30 grade paving bitumen rolled and compacted complete all as specified & directed.

Material and labour for 2.5mm thick painting to road surface as in lines, dashes, arrows, letter, zebra cross etc on roads. Pavements like etc with thermoplastic road marking paint conforming to BS 3262 with 20% glass beads (intermixed) spread and laid by automatic mechanical machine engine drive complete all as specified and as directed. Make :-STP Limited ( Shalimark / ShaliMark W), SNI Infratech Pvt Ltd (ESN TRMP), Maruti Bitumen Pvt Ltd (MARUTI REFLO MARK)

Supply and fixing in repair convex mirror of 900 mm dia pole mounted on MS heavy grade pipe of 50mm dia duly powder coated with anti-rust , Anti-theft and 1.2 metre high from GL with 300 mm (minimum) embedded in and including PCC M-10 using 40mm graded stone aggregate and two coars of paint by hot pressing over a coat of red oxide around the pipe in full perimeter all as per MOST and IRC specifications complete all as specified and directed. Make:- Dark Eye / Oscar Safety Solution / ABS Engineering / 3M.

Supply and fixing in repair reflective road stud of metal body alloy of size 100 x 100 x 20mm with PAMA stripless reflector fixed with and incl MS Stud of suitable size as per manufactures instruction complete all as specified & directed. Make:-Dark Eye model no DA 972/ Oscar Safety Solution / 3M.

Material & Labour for Continuous brick edging with width equal to depth of sub class 'B' brick laid dry on edge complete all as specified & directed.

Note: Schedule of credit (SCHEDULE OF CREDIT) amount of Rs mentioned on Page No ___ shall be deducted from the total quoted amount of BOQ.

DECORATIVE CONSTRUCTION