SPECIAL REPAIRS TO ROAD,HARD STANDING AND AREA DRAINAGE AT APS AND APPROACH ROADS TO DRILL SQUARE OF OTA CHENNAI UNDER GE STM CHENNAI

Amount

M&L for repair to pot holes any depth not exceeding 30mm ,area not exceedig 1.00 Sqm each including sweeping free from dust, mud or water scoring sunken surfaces in roads, paths etc cutting around edges to atleast 25 mm in depth making good by applying tack coat of paving bitumen of grade VG-30 at 5 Kg per 10 Sqm, putting and filling pot holes with premixed bitumen mix as specified for SDAC ,well rammed and rolled with power roller complete all as specified and as directed by Engineer-in-Charge.

M&L for scarifying or picking gravelled, macadam or bituminous macadam of depth not exceeding 50mm deep, surfaces in area not exceeding 400 sqm complete all as specified and directed.

M&L for scarifying or picking gravelled, macadam or bituminous macadam of depth exceeding 50mm and not exceeding 100mm deep surfaces in area not exceeding 400 sqm complete all as specified and directed.

M&L for laying and compacting 150mm thick (Compacted thickness) Wet Mix Macadam (WMM) grading as per table 400-13 of MORTH specification for road and bridges works 2013 ,prepared and manufactured in WMM plant material comprising of clean crushed graded aggregate and granular material premixed with water to a dense mass spreading with sensor paver and rolling with vibratory roller of capacity 8 to 10 tonne static weight and consolidating to required gradient and camber complete all as specified and directed .Note:The finished surface tolerances to be as per table 900-1 of MORTH specifications for road and bridges works 2013.

M&L for providing and conolidating 50mm thick premix dense bituminous macadam (DBM Grading -II) using minimum 4.5% VG-30 grade bitumen as a binder by weight of total weight of mix ,aggregate gradation as per grading 2 of table 500-10 of MORTH specification for road and bridges works 2013 ,spread by using mechanical paver, rolled and consolidated to required camber and gradient complete to a uniform surface by using Tandom Vibrator power roller 8 to 12 tonne capacity complete all as specified and directed by Engineer-in-Charge

Note : (a) Bituminous macadam shall be as per MORTH specification (b) Laying shall be done by means of self-propelled mechanical paver, finishing with electronic sensor and hydraulic controls with suitable speed and capable of laying, spreading, tamping and finishing. (c) Mix shall be obtained from computerized hot mix plant and spreading shall be done by using mechanical paver only (d) The mix shall be designed by job mix formula and approved by GE. (e) Cost of testing charges, materials and transportation etc for job mix formula and Independent testing during execution of work shall be inclusive in the unit rate quoted and no extra payment shall be made on this account.

(f) Contractor quoted rate shall be for 4.5% binder content only .If the binder content shall be less than 4.5% by weight of total mix, price adjustment shall be made for less bitumen at the rate of Rs 42/kg .However no price adjustment if the binder content shall be more than 4.5% and no other claim whatsoever on this account shall be allowed and admissible.

M&L for preparing unsurfaced WBM / WMM surfaces of repaired potholes by brushing with wire brushes for removing caked mud etc., sweeping with mechanical blower or brooms to remove all loose dirt, materials etc., complete all as specifed and as directed.

M&L for applying evenly a application of prime coat of Cationic Bitumen Emision SS1 confirming to IS 8887 at a rate of 0.7 to 1 kg/Sqm on prepared surface of WMM / WBM all as specified in Table 500-3 of MoRTH specification for road and bridge works 2013 using mechanical sprayer complete all as specified and as directed.

M&L for preparing black top surfaces by brushing with wire brushes for removing caked mud, loose materials etc., sweeping with mechanical blower or brooms to remove all loose dirt, materials etc complete all as sepcifed and as directed.

M&L for applying evenly a application of tack coat of Cationic Bitumen Emision (RS1) confirming to IS 8887 at a rate of 0.2 to 0.3 kg/Sqm on prepared bituminous surface all as specified in Table 500-5 of MoRTH specification for road and bridge works 2013 using mechanical sprayer after cleaning of existing surface complete all as specified and as directed.

M&L for Bituminous premixed semi dense asphaltic concrete (SDAC) by using Hot mix plant ,40 mm consolidated thickness with 5.5 % binder content in weight of total mix (Paving bitumen VG-30) and filler of cement content as per design mix (not less than 2%) spread by using mechanical paver, rolled and consolidated to required camber and gradient complete to a uniform surface by using Tandom Vibrator power roller 8 to 12 tonne capacity complete all as specified and directed by Engineer-in-Charge

Note : (a)Cement shall be used as filler at mininum 2% by weight of total mix in event of variation in design mix the percentage of filler content shall be on plus side adopted. (b) SDAC shall be as per MORTH specification (c) Laying shall be done by means of self-propelled mechanical paver, finishing with electronic sensor and hydraulic controls with suitable speed and capable of laying, spreading, tamping and finishing. (d) Mix shall be obtained from computerized hot mix plant and spreading shall be done by using mechanical paver only (e) The mix shall be designed by job mix formula and approved by GE. (f) Cost of testing charges, materials and transportation etc for job mix formula and Independent testing during execution of work shall be inclusive in the unit rate quoted and no extra payment shall be made on this account.

(g) Contractor quoted rate shall be for 5.5% binder content only .If the binder content shall be less than 5.5% by weight of total mix, price adjustment shall be made for less bitumen at the rate of Rs 42/kg .However no price adjustment if the binder content shall be more than 5.5% and no other claim whatsoever on this account shall be allowed and admissible

M& lfor preparing road surface including cleaning the road surface of all dirt, seals, oil, grease and foreign material etc and applying 2.5 mm thick raod marking strips (Retro reflective) of specified shade/colour using hot thermoplastic material conforming to IS-164(1981) by fully automatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser including glass beads, propane in accordance with manufacturer's instructions all as per BS EN 1871, BS EN 1423 and BS EN 1424 completeManufacturers specifications / instruction complete all as specified and directed by Engineer-in-Charge.

S&F in repairs solar studs made out of aluminium composite body (of load capacity 20 Tonne) fixed with bright LED's 3 Nos (RED) on each side, of size 125mm x 125mmx25mm and shank 65 mm, with battery of Li/ Cd and fixedby using adhesive as per Manufacturer's instructions complete all as specified and directed.

S&F in repairs cat eye solar reflective type of metal body alloy of size 100mm x 100mm x 20mm with PAMA striplens reflector of Model No. DA 972.0 fixed with and including MS stud of suitable size all as per Manufactures instructions complete all as specified and directed.

M&L for 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. by cutting around edges to at least 25mm in depth, making good by filling in with screened and graded road metal, watering and well ramming (including supply of road metal) etc.complete all as specified and as directed by Engineer- in- charge

M&L for cold milling of existing bituminous surface of any description of thickeness not exceeding 40 mm by using Milling Machine (including machine/vehicle/other equipments requied for milling ) ,cleaning the milled surface and removing completely the milled materials to a designated dumping yard to distance not exceeding 500m complete all as specified and directed.

M&L for applying paving bitumen evenly a priming / tack coat with bitumen primer of paving bitumen of grade VG-30 at the rate10 Kg/10 Sqm by using bitumen sprayer machine complete all as specified and as directed

S&F metal tubular dealineator made out of ABS round body fitted with 2 Nos 65 mm dia highly reflective reflectors made out of PMMA and mounted on 45/50 mm dia mild steel pipe of 600 mm height duly powder coated and thermo plastic elastomer 3 bands of green, red and yellow reflector radium tape of 25 mm wide strips with anti theft steel net for reflector protection including embedding in PCC 1:2:4 type B1 of size 150mm x150mmx300mm complete all as specified and directed

S&F Convex mirror made up of PC materials having clear and definite mirror image, 130 degree of viewing angle of size 800mm dia, provided on MS pipe 40 mm dia, 1.2 metre long duly powder coated, embedded on PCC block 1:3:6 type C1 including necessary excavation and earthwork complete all as specified and as directed Make :- 3M / Darkeye or other equivalent approved by GE

M&L for Providing precast cement concrete 1:2:4 type B1 using 20mm graded stone aggregates as in kerbs stones for road edges rounded or chamfered on edges including necessary formwork,moulding etc complete all as specified and directed

M&L for applying two coats of synthetic enamel paint over a coat of primer on new concrete surface including preparation of surface complete all as specified and as directed

Demolition of reinforced cement concrete of any description and in any position not otherwise specifically provided for (reinforcement to be cut as required to facilitate demolition)

M&L for providing precast reinforced cement concrete 1:2:4 type B1 using 20 mm graded stone aggregte as in man hole covers and set in cement mortar 1:6. complete all as specified and directed .Note :- Reinforcement shall be measured and paid seperatly.

M&L for mild steel TMT bars 10mm dia and over cut to length bent to shape required including cranking, bending spially for hooping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.9 mm dia complete

Demolition of cement concrete of any desciption in any position and in description not otherwise provided for complete all as specified

M&L for PCC 1:3:6 type C2 using 40 mm graded stone aggregate as in bed concrete for drain complete all as specified .

M&L for plain cement concrete 1:4:8 type D2 using 40 mm graded stone aggregate,75mm thick as in sub base of floors and pavings etc. complete all as specified and as directed

M&L for sand filling under floors or in foundations including watering and consolidation

M&L for Machine pressed precast rubber moulded PCC interlocking paver block of any shape and size approved by GE, conforming to IS 15658-2006 of 80mm thickness, M-40 Grade of cement concrete of with grey cement and pigment complete all as specified and directed

M&L for plain cement concrete 1:2:4 type B1 using 20mm graded aggregate as in coping and benching including weathering slightly rounded or chamfered angles and throating including necessary form work complete all as specified and directed.

M&L for extra for forming fair finished drains or channel 30 cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/stopped ends etc.complete all as specified.

Demolition brick work built in cement mortor of any description including all quoins, arches pillars etc.complte all as specified and directed

M&L for Brick work with fly ash old size bricks straigh or curved on plan exceeding 6 mean radius, built in cement mortar 1:4 complete all as specified

M&L for Rendering 15mm thick in cement mortar 1:4 on fair faces of brick work , including finishing the surface even and smooth without using extra cement mixed with WPC complete all as specified. Note: WPC shall be measured and paid seperately under relevant item

Supply only liquid water proofing compound

k.sundarrajan and sons (BID ID -3257612)