REPAIR TO CONSTRUCTION, EXPANSION AND DUMMY JOINTS OF RUNWAY, TAXIWAY AND DISPERSAL OF CHAKERI AIRFIELD AT AFS CHAKERI, KANPUR

Amount

Repair to existing construction and dummy joints of width 8 to 20 mm and 25 mm deep (avg) on rigid pavement of runway, taxiway and dispersal of airfield with following activities:- (i) Racking out old decayed / damaged existing sealing compound with backup rod of any description and cleaning the joints thoroughly by removing dust, dirt and other foreign materials by appropriate electric cutter and air blower. (ii) Removing the existing sealing compound from the edges, bottom and sides of the joints by cutting the edges, bottom and sides of the joints by mechanical tool (diamond cutter) to make the cross section of joint truly rectangular. Cutting of edges / sides / bottom of joints shall be done by using diamond cutter only.

Contd.. item Nos 1.00 : - (iii) Once again cleaning the joints with compressed air and applying two coats of primer (with interval of 30 minutes between each coat) upto the full depth and width of the existing joints. (iv) Sealing the joints with polyurethane joints sealant ( upto full depth of existing joint) completely as per manufacturers instructions including applying masking tape on edges of joints to prevent accidental spillage of sealant on top surface and removing the tape after sealant is applied complete all as specified and directed. (v) The quoted unit rate deemed to be included for supply and fixing of back up rod /slab of appropiate diameter / thickness as per site requirement. (vi) Electric supply shall be arranged by the contractor at his own arrangements.

Ditto all as per Item No.1.00 here-in-before but for expansion joints of width 20 to 30 mm and 25 mm deep (avg).

Cutting of grass by manually operated bush cutter machine of areas around various sign boards, Installation, post, DTGM and runway shoulders and where mechanical means can not be deployed including cleaning away all grass vegetations, sampling shrubs, brushes weeds and roots of trees etc and removing rubbish at low level area exceeding 200 m complete all as specified and directed. Note: (i) Availability of working hours for cutting of grass will depend on Air Trafic Control (ATC) Unit. Nothing extra shall be admisible if intermittent working hours for cutting of grass are available due to operational activity.

M/S Vindhya Infraventures

KALI CHARAN PANDEY

M/S SDS Construction Co.