CERTAIN REPAIRS TO WBM POT HOLES ROAD BLACK TOP SURFACES OF OTM ACCN AND MD ACCN AREA AT ADE CASDIC PHASE II UNDER AGE BR I AND REPAIRS TO BITUMINOUS ROADS BERMS ROAD SIGN BOARDS DRAIN COVERS KERB STONES ROAD FURNITURE TAXI TRACK AND PQC APRONS ETC

Scarifying or picking gravelled, macadam or bituminous macadam surfaces of affected grass area up to grass roots exc 50mm deep and n exc 100mm deep and area not exc 400 sqm complete all as specified and directed by Engineer-in-Charge.

Preparing 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 from unsurfaced water bound macadam complete all as specified and as directed.

Material and labour for applying evenly a priming/tack coat with bituminous primer (using paving bitumen) at 10 kg per 10 Sqm 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 surfaces with gunny bags to remove all loose dirt etc and applying evenly a priming/tack coat on existing black top surfaces with paving bitumen primer @ 5 Kg per ten square metre with tar boiler complete all as specified and as directed.

Material and labour for bituminous premixed asphaltic semi dense concrete 30 mm consolidated thickness with 5.5% binder content by weight of total mix, laid and rolled and compacted to required gradient and camber with mechanical paver rolled and compacted to required gradient and camber using vibromax power roller of capacity 8 to 12 Tonne complete all as specified and directed.

Material and labour for repairs to pot holes any depth, not exc. 1 sq.m each including sweeping free from dust and mud, or water, scoring sunken surfaces as in roads, paths, etc. cutting around edges to at least 25mm in depth, making good by applying tack coat at 5 kg per 10 sq.m. putting in premixed bituminous macadam, well rammed and sealed with binder at 9.8 kg per 10 sq m, blended with 0.09 cu m of stone chippings, 6.3 mm size and again well rammed (including supply or premixed macadam, binder and chippings), depth of potholes exc. 30mm but not exceeding 75 mm thick, complete all as specified and as directed.

Material and labour for premix bituminous macadam with 4% paving bitumen binder laid and rolled including compaction to required gradient and gradient and camber (consolidated thickness upto maximum 75 mm thick), complete all as specified and directed by Engineer-in-Charge..

Material and labour for surface dressing in soft/loose soil not exceeding 15cm deep including site clearance, removal of surplus soil to a distance n.exc. 50 m complete all as specified and directed by Engineer-in-Charge..

Material and labour for 100 mm thick shingle or gravel as in road side berms spread, rolled and consolidated to required gradient and camber complete all as specified and directed by Engineer-in-Charge..

Material and labour for preparing bituminous surfaces of road and marking 2.5mm thick centre lines, stop lines, dashes, arrows etc. and the like n. exc. 10cm wide on road pavements with hot applied thermo plastic road marking paint of approved colour confirming to BS 3262-1989 with special applicator machine all as per manufacturers instructions complete all as specified and as directed.

Supply and fixing metal tubular delineator 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) of size 150 x 150 x 300mm type B1 complete all as specified and as directed.

Supply and fixing 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 as per manufactures instructions complete all as specified and as directed.

Supply and fix solar cat eye aluminum alloy (100% water proofing design according to 65) of size 125mm x 125mm x 25mm (shank 65mm) of high efficiency Mono rystafie solar panel 2.4V/0.3 watt one NI-ed rechargeable battery (1.2V/ 1600MA) consisting of super bright LED with 10,000 to 18,000 mcd completed as per manufactures instructions etc. all as specified and as directed.

Material and labour for providing pre-cast cement concrete (using rubber mould to obtain smooth finish) 1:2:4 type B-1 using 20 mm graded stone aggregate as in kerb stones and in similar works bedded and jointed in cement morter 1:6 including necessary excavation if necessary and demolition of old concrete of any description all as specified and directed by Engineer-in-Charge..

Material and labour for preparation of old stone / concrete surface of any description, not otherwise described, over 10cm in width or girth and applying one coats of synthetic enamel paint etc complete all as specified.

Material and labour for preparation of new or previously untreated stone / concrete surface of any description, not otherwise described, over 10cm in width or girth and applying two coats of synthetic enamel paint of approved tint over a coat of primer complete all as specified and as directed.

Providing and fixing for Round Glass road safety convex mirror of over all size 600mm with orange colour PVC frame and black colour painted MS post including fixing with PCC (1:2:4) using 20 mm graded stone aggregate complete all as specified and directed by Engineer-in-Charge..

Demolition of cement concrete (unreinforced) of any description (as in kerb stone) and in any position not otherwise specifically provided for complete all as specified and as directed.

Providing and laying at or near ground level factory made kerb stone of M-25 grade (over all size of Kerb stone 450mmx350mmx150mm thick) 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 directed.

Material and labour for removing tree roots and vegetation n. exc. 15cm girth and removing the material to a distance not exceeding 250 metre and stacking complete all as specified and directed by Engineer-in-Charge..

Grubbing up tree roots n. exc. 45cm deep protruding over round, digging out roots, filling holes with coarse aggregates and levelling off ground complete all as specified and directed.

Material and labour for cleaning the surface of runway with wire brush and air compressor making the surface free from dus,dirt,mud etc. and applying of PME and aggergates as follows:- (a) Applying only polymer modified bitumen emulsion by spraying with truck mounted contrail and sprayer complete to uniformly apply one coat of PME at required pressure of PME 0.30 litre per Sqm for one coat diluted in ratio 1:1 (PME and water ) by volume and ensure uniform finish of flexible pavement. (b) Immediately following the application of the bitumen emulsion fine aggregate shall be spread uniformly over the bitumen emulsion. The aggregate shall be spread to specific areas where Micro/Macro texture needs correction and shall not be applied in such thickness as to cause blanketing. NOTE:- (i) Suitable measures to be taken to avoid spreading/Splashing of emulsion to runway painting while applying the emulsion in flexible shoulder. (ii) If more than one coat required to be done each coat will be measured separately. (iii) Work has to be carried out through authorised applicator only.

Removing the existing damaged filled sealing compound including polyethylene rod in expansion joints by raking end using blow lamp and cleaning of expansion joints of concrete pavement free from dust applying masking tape on edge of joint to prevent accidental spillage of sealant on top surfaces to give a neat finish to the sealant, provision of polyethylene backup rod 30mm dia in expansion joint and sealed with COLPOR 200 polyurethane based sealing compound confirming to BS 5212 1990 o & BS -4254 and EN-141875-2003 (for hydrolysis / water resistance test) or equivalent of approved colour after application of suitable primer and removing the masking tape after the sealant filling etc complete for expansion joint 25mm wide all as specified and as per manufacturers instructions all as specified and as directed.

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