Repair and Rehabilitation of High Level Bridge Over Mand River at KM 27/8,10 on NH 216.

Amount

Providing and inserting nipples with approved fixing compound after drilling holes for grouting as per Technical specifications including subsequent cutting/removal and sealing of the hole as necessary of nipples after completion of grouting with Cement/Epoxy

Sealing of crack / porous concrete with Epoxy Grout by injection through nipples complete as per clause 2803.1.

Sealing of cracks/porous concrete by injection process through nipples/Grouting complete as per Technical specification. (A) Cement Grout

Patching of damaged concrete surface with polymer concrete and curing compounds, initiator and promoter, available in present formulations, to be applied as per instructions of manufacturer and as approved by the Engineer.

Eproxy bonding of new concrete to old concrete

Replacement of bearings complete as per Technical specification

Removal of existing asphaltic wearing coat comprising of 50 mm thick asphaltic concrete laid over 12 mm thick mastic asphalt including disposal with all lift and lead upto 1000m. Aaphalt wearing coat

Removal of existing cement concrete wearing coat including its disposal complete as per Technical specification without causing any detrimental effect to any part of the bridge structure and removal of dismantled material with all lifts and lead upto 1000m(Thickness 75 mm)

Supplying, fitting and placing HYSD bar reinforcement in super-structure complete as per drawing and technical specifications

Replacement of Expansion Joints complete as per drawings

Strip Seal Expansion Joint (Providing and laying of a strip seal expansion joint catering to maximum horizontal movement upto 70 mm, complete as per approved drawings and standard specifications to be installed by the manufacturer/supplier or their authorised representative ensuring compliance to the manufacturer's instructions for installation.)

Drainage Spouts complete as per drawing and Technical specification

Replacement of damaged concrete railing.

Tack coat (Providing and applying tack coat with bitumen emulsion RS-1, grade confirming to IS:8887 using emulsion pressure distributor on the prepared bituminous surface cleaned with mechanical broom) as per clause 503 & 112. (i) on Bituminous surfaces @ 0.25 kg per sqm

(iii) on Cement concrete pavement @ 0.35 kg per sqm

Bituminous Concrete (Providing and laying bituminous concretewith120 -200 TPH higher capacity Batch Type Hot Mix Plant using crushed aggregates of specified grading, premixed with bituminous binder VG-40 and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification clause No. 507 & 112 complete in all respects) With sensor paver finisher (i) for Grading-I (19 mm nominal size) with bitumen minimum 5.2 %

Mastic Asphalt (Providing and laying 25 mm thick mastic asphalt wearing course with paving grade bitumen VG-40 meeting the requirements given in table 500-39, prepared by using mastic cooker and laid to required level and slope after cleaning the surface, including providing antiskid surface with bitumen precoated fine-grained hard stone chipping of 13.2 mm nominal size at the rate of 0.005cum per 10 sqm and at an approximate spacing of 10 cm center to center in both directions, pressed into surface when the temperature of surfaces not less than 100 degree celcius, protruding 1 mm to 4 mm over mastic surface, all complete as per clause 516 & 112)

Providing temporary barricades throughout the bridge length using 6 mm thick M.S. plate fixed in M.S. angle of size 75 x 75 x 8 mm ,during execution of work. The barricade shall be properly aligned and fixed as per directions of Engineer-in-charge.

Providing temporary traffic diversion including required sign boards, guards, flags, battens, flagmans, etc., all complete.

Direction and Place Identification signs upto 0.9 sqm size board. (Providing and erecting direction and place identification retro-reflectorised sign as per IRC :67 made of retro reflective type sheeting and vide clause 801.3, fixed over aluminium sheeting, 2 mm thick or Aluminum composite material sheet with overall thickness of 4mm with area not exceeding 0.9 sqm and fixed over back support frame of min 35 x 35 x 3mm Angle mounted on a mild steel circular pipe 65 NB, firmly fixed to the ground by means of properly designed foundation with M15 grade cement concrete 45 x 45 x 60 cm, 60 cm below round level as per approved drawing) (A) Made of Class-C Micro Prismatic Grade Sheeting of Type-XI (for National Highways and State Highways) (for heavy traffic divertion information)

Road Marking with Hot Applied Thermoplastic Compound with Reflectorising Glass Beads on Bituminous Surface (Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35 .The finished surface to be level, uniform and free from streaks and holes.)

Providing and fixing Raised Pavement Markers made of polycarbonate ABS moulded body and reflective panels with micro prismatic lens capable of providing total internal reflection of the light entering the lens face and shall support a load of 16000 Kg tested in accordance to ASTM D 4280 type H and complying to specifications of category A of MORT&H (RW/NH-33023/10/97-DO III Dtd. 11.06.1997). The pavement markers will be auto moulded by dual polymer shanks and must comply with all the MoRT&H specifications. The height, width and length shall not exceed 50 mm, 100 mm and 100 mm respectively and with minimum reflective area of 13 Sq.cm. on each side and slope to the base shall be 35 +/-5 degree. The strength of detachment of the integrated cylindrical shanks (of diameter not less than 19 +/- 2 mm and height not less than 30 +/- 2 mm) from the body is to be a minimum value of 500 kgf. Fixing will be by drilling holes on road for the shanks to go inside, without nails and using epoxy resin based adhesive and complete as directed bythe Engineer-in-charge.

Retro- reflectorised Traffic signs (Providing and fixing of retro- reflectorised cautionary, mandatory and informatory sign as per IRC :67 made of retroreflective type sheeting and vide clause 801.3, 2mm thick aluminium sheeting, 3mm/4mm thick Aluminum composite material sheet depending on the size of the sign fixed over back support frame of min 40 x 40 x 5mm Angle mounted on a mild steel circular pipe 65 NB ,3.2 mm thicknness firmly fixed to the ground by means of properly designed foundation with M 15 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing and painting all components of the signs and supports as per clause 7.2 of IRC:67 ) Made of Class-C Micro Prismatic Grade Sheeting of Type-XI (for National Highways and State Highways) (viii) 60 cm circular

Painting on Concrete Surface of R.C.C. Railing (Providing and applying 2 coats of water based cement paint to unplastered concrete surface after cleaning the the suface of dirt, dust, oil, grease, efflorescence and applying paint @ of 1 litre for 2 Sq.m.

Painting on kerbs in black and yellow alternate bands including cost of material and labour complete as per drawings and specifications as per clause 803. With road marking Paint

Hercules Structural Systems Pvt. Ltd.