Certain repairs to surface topping, edges, joints (expansion, construction, dummy etc.) painting to lines, dashes and marking on runway / PTT and other connected works on runway operating surfaces at AF Stn Nal under GE(AF) Nal

Amount

M&L Repair to concrete pavements by cutting the damaged, spoiled edges in concrete pavements slabs to vertical rectangular cross section with power driven concrete cutters, removing all loose and foreign materials to outside of contonement area, cleaning surface thoroughly with wire/coir brushes and then cleaned the surfaces with compressed air by electric air blower compressors, including priming the surfaces with suitable primer and filling with epoxy mortar @ 2 Kg per 1000 Cu.cm including form work wherever required all as specified and as directed. Note:- Contractor shall produce original purchase vouchers and test certificate of entire quantity before commencement of work on ground.

M&L complete removal of top surfaces of existing detorated epoxy coated surface with wire / coir brushes and with suitable power driven concrete cutters up to thickness 04 to 06 mm and then cleaned the surfaces with compressed air by using air blower compressors to remove all loose dirt, dust, scaling, grease, spots etc, priming the surfaces with epoxy based primer etc (with suitable brushes ) complete all as specified and directed

M&L Applying Epoxy repair mortar on primed surfaces with thickness varrying from 4.00mm to 6.00 mm including filling of small holes up to 10 mm depth @ 10.00 kg per sqm and levelling the surfaces to match the existing level with existing surfaces of the runway / Taxi track complete all as specified and directed

M&L Preparation of eroded top surfaces of concrete slabs with wire / coir brushes and then cleaned the surfaces with compressed air by using air blower compressors to remove all loose dirt, dust, scaling, grease, spots etc, priming the surfaces upto 2.00mm to 3.00mm with epoxy based primer with suitable brushes complete all as specified and directed.

M&L Applying Epoxy repair mortar on primed surfaces with thickness varrying from 2.00mm to 3.00 mm including filling of small holes up to 10 mm depth @ 5.0kg per sqm and levelling the surfaces to match the existing level with existing surfaces of the runway / Taxi track as per manufacturer’s instructions complete all as specified and directed.

M&L making good the cracks by repairing disintegrated / spoiled concrete slabs to vertical rectangular cross section with power driven concrete cutters, removing all loose and foreign materials to outside of contonement area , cleaning surface thoroughly with wire / coir brushes and then cleaned the surfaces with compressed air by air blower compressors and filling with Elastomeric concrete after application of specified primer and removal of rubbish to a distance exc 250m and not exc 500m and depositing , complete all as specified and as directed. Note: (i) All necessary formwork, sides etc shall be included in the quoted rates. (ii) Primer used shall be of the same make as of elastomeric concrete.

M&L Raking out existing Sealing compound from expansion joints 20 mm to 25mm wide and up to a depth of 30 mm from existing Flexible / concrete pavements and spilled sealing compound from the edge of expansion joint, removing the old sealing compound and all foreign materials to a distance of 100 metre and depositing where directed by GE / Engr-in-Charge, cleaning and preparation of existing expansion joint, priming the sides and bottom of expansion joints with primer Grade 'B' sealing Compound and Sealing the expansion joint 20mm to 25mm wide and 25 mm deep (leaving a clear space of 5mm at top in winter and 3 mm top in summer with sealing compound Grade 'B' heat resistance complete all as specified and directed. Note:- Contractor shall produce original purchase vouchers and test certificate of entire quantity before commencement of work on ground.

All as per description of item No. 7.00 here in before but construction joints of width 10 to 14 mm and depth 30 mm.

All as per description of item No. 7.00 here in before but contraction (dummy) joints of width 8 to 10 mm and depth 65 mm depth .

M&L Raking out existing filling from expansion Joints of width exceeding 20mm but n exc 25mm and depth upto 30mm as specified with the help of special tool like concrete cutter, wire / coir brushes / machines and joints cleaned throughly with application of compressed air, making free from all loose materials ie dirt, dust, grease, existing sealing compound, filler board (as required) including sticked material of existing compound, racked up to full depth ( up to 45 mm ) of Joints etc to entire satisfaction of GE / Engr-in-Charge and filling the joint with the polyurathene based joint sealant single compound component using mechanical means to a depth exceeding 08 mm but n exc 12 mm ( depth above the backup Rod ) with minimum performance guarantee of 10 years and minimum movement accommodation factor ( MAF) +/- 30 % confirming to the requirement of BS-5212 and EN-141575-2003 for hydrolysis /water resistance test including two coats of primer and filling the balanced racked depth of the joint with backup material ie; closed cell polyethelene to ensure tight packing so that no gaps or void exist at the top of backup material separated by bond breaker of suitable size HD 10 filler board in position where required and applying masking tape on edge of joint to prevent accidental slippage of sealant on top surface to give a neat finish to the sealant and removing the masking tape after sealant is applied as required complete as per manufacturer's instructions and complete all as specified and directed. Note:- (i) Contractor shall produce original purchase vouchers and test certificate of entire quantity before commencement of work on ground. (ii) Joint sealant shall be applied by using sealing dispensing gun which shall be arranged by the contractor at his own. Manually Pouring of compound shall not be allowed.

All as per description of item No. 10.00 here in before but expansion joints of width 18 to 19 mm and depth 25 mm .

All as per description of item No. 10.00 here in before but construction joints of width 10 to 14 mm and depth 25 mm.

All as per description of item No. 10.00 here in before but contraction (dummy) joints of width 6 to 10 mm and depth 25 mm depth .

M&L for repair to pot holes on concrete portion of runway / PTT / Taxi Track of size not exc. 4 Sqcm and depth not exc 1.5 cm and filling with elastomeric compound over and including priming of pot hole surface with suitable epoxy primer including preparation of old detorated concrete surface by removing loose disintegrated concrete and blowing with mechanical / electrically driven air blower complete all as specified and directed. Note:- the cost of T&P required for preparation of pot holes are inclusive in this quoted rate, the tenderer shall keep this aspect in mind before quoting their rates.

All as per description of item No. 14.00 here in before but size not exc. 6 sqcm and depth up to 2 cm complete all as specified and directed.

M/S SIDHU CONSTRUCTION COMPANY