CONVERSATION OF GRADE B TO PU SEALANT IN RIGID PORTION OF TAXI TRACK AND CONNECTED WORKS AT AF STN BHUJ

Amount

Raking out sealing compound (Grade 'B' or Polyurethane sealent) from existing expansion joints of dimension 25 mm to 30 mm wide and 40 mm deep, removing the debris from site by sweeping the concrete surface with brooms, cleaning with compressed air, treating sides and bottom of the joints with primer as per manufacturer's directions and filled with preformed closed cell polyethylene backup rod/strip of 25/32 mm dia, sealing with pitch free polyurethane grey sealant (minimum depth of sealant above backup rod shall be 10 mm) conforming to BS-5212 (Type FB) and M&L for applying masking tape on edges of joints to prevent accidental spillage of sealant and removing the masking tape after application of sealant all as specified and directed

All as per item No 1 above but construction/dummy joints of dimension 15 to 20 mm wide and 30 mm deep

All as per item No 1 above but construction/dummy joints of dimension 20 to 25 mm wide and 40 mm deep

All as per item No 1 above but construction/dummy joints of dimension 8 to 15 mm wide and 25 mm deep

M&L for surface dressing n.exc 15 cm deep in soft/loose soil including cleaning away all grass vegetation, saplings, shrubs, brushwood, undergrowth, roots and trees n.exc 30 cm girth and removing rubbish upto a distance of 50 m outside the periphery of the area complete.

M & L for cleaning the surface with compressed air and making the surface free from dust by using brush and applying one coat of cold polymer Modified bitumen emulsion (PMBE) by using self propelled bitumen emulsion distributor or towed bitumen emulsion pressure sprayer, equipped for spraying the material (binder) uniformly and mopping of diluted liquid in the ratio 1:1 of PMBE and water by weight @ minimum 0.50 Kg of PMBE (ie 1.0 kg of diluted liquid) per sqm in one coat and ensure uniform finish of runway complete all as per manufacturers instructions and all as specified and as directed by Engineer in Charge. (Make : EMULCOTE of M/S LN Petro chem Pvt. Ltd., HINMAT PLUS M/S Hindustan Colas Pvt. Ltd., PME of M/s Ooms Polymer Modified Bitumen Pvt Ltd or any other make approved by E-in-C branch ( before bid submission end date ) as specified and approved by GE). Note:- The tenderer shall cosider the following point/ details while quoting the rate for the item :- (i) No extra amount will be paid to the contractor if excess quantity of PMBE used by the contractor than specified quantity in the item. (ii) Original Paid Vouchers and Test Certificates shall be procured for verification. (iii) Site will be handed over in piece meal as and when required as per the User's requirement during non flying days as directed by GE in piece meal manner during entire period of completion.

M/s Shivji Rana Chad

BHAVANI PROVISION STORES