Repair to joint ceiling, crack repairs and pop outs repair by epoxy mortar of LTT/ dispersal at 19 Wing, AF area under GE (AF) Borjhar.

M&L for Racking out of old existing sealant compound, back up rod of the existing EXPANSION JOINTS 25 mm to 30 mm wide by special tools like racker/cutting blades/diamond cutters machine operated with generator sets , Joint cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil, vegetation and other debris Application of two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes. Thereafter filled with closed cell medium density, cross linked polyethylene foam backup rod of minimum 30 mm dia before pouring the sealant for complete length of the joint. Finally filled with polyurethane joint sealant (12 to 15 mm depth) using caulking gun over backup rod meeting the requirements mentioned in BS-5212, BS4254 and EN-141875-2003 with minimum movement accommodation factor MAF of+/- 30%. Make - M/s Bostik/Fosroc/Cipy/Sika/Choksey. Note :- (i) The rate shall be inclusive of providing masking tape at joints and formwork required if any at spalled joints edges (ii) The quoted rate deemed to be inclusive of making good to disturbed joint filling around the area where material is applied (iii) The quoted rate deemed to be inclusive of Dg set used by contractor for any requirement of electricity while working. (iv) Removal of debris from the site as directed by Engr-in-Charge.

M&L for Racking out of old existing sealant compound and back up rod of the existing Dummy joints 15 mm to 20 mm wide by special tools like racker/cutting blades/diamond cutters machine operated with generator sets of appropriate size straight and smooth edges. Joint cleaned thoroughly with application of compressed air. Joint shall be made dry, vacuum cleaned and free of dirt, oil vegetation and other debris. Application of two coats of primer with thin brush by forward and backward movement at an interval of 30 minutes. Thereafter fillet with closed cell, medium density, cross linked polyethylene foam backup rod of minimum 8 mm dia for complete length of the joint, over it to be filled with polyurethane joint sealant (10 to 12 mm depth) meeting the requirements mentioned in BS-5212, BS 4254 and EN-141875-2003 with minimum movement accommodation factor (MAF) of+/- 30%. Make - M/s Bostik/Fosroc/Cipy/Sika/Choksey. Note :- (i) The rate shall be inclusive of providing masking tape at joints and formwork required if any at spalled joints edges (ii) The quoted rate deemed to be inclusive of making good to disturbed joint filling around the area where material is applied (iii) The quoted rate deemed to be inclusive of Dg set used by contractor for any requirement of electricity while working. (iv) Removal of debris from the site as directed by Engr-in-Charge.

M&L for pouring of flex o patch or equivalent elastomeric compound on dispersal/taxi track etc all as per the following specification and as directd by Engr-in-Charge:- (a) Cutting/Chipping of existing cracked concrete/ surface not less than 100mm wide and 40mm deep with concrete cutter in proper alignment, removing all loose concrete/dust etc by air blower and carefully cleaning the surface to receive new material. (b) Appliying primer to old surfaces using pump sprayer or brush covering all the area as directed.make of primer RDL 942 or equivalent. The primer shall be allowed to dry before pouring the elastomeric compound. (c) Pouring of elastomeric compound mixed with all ingradient and pouring the mix in the affected area trowelled to acheive grooved or textured finish including all necessary formwork all as directed and specified. Make - M/s Bostik/Fosroc/Cipy/Sika/Choksey. Note :- (i) The rate shall be inclusive of providing masking tape at joints and formwork required if any at spalled joints edges (ii) The quoted rate deemed to be inclusive of making good to disturbed joint filling around the area where material is applied (iii) The quoted rate deemed to be inclusive of Dg set used by contractor for any requirement of electricity while working. (iv) Removal of debris from the site as directed by Engr-in-Charge.

M&L for preparation of surface of popouts/ potholes not exc 4 sqcm plan area upto 10-25mm depth of PTT/LTT , cleaning dust, oils, grease etc. from the popouts/ potholes properly by mechanical tools/ Brushing and priming the surface with Shali Grout EI and filling ShaliFix SC 40 or equivalent as approved make of High strength Quick setting repair mortar mixing with water with W/P ratio 0.14-0.15 and curing of homogeneous mixture after setting complete all as specified and as directed.

M&L for preparation of surface of popouts/ potholes exc 4 sqcm and not exc 10 sqcm plan area upto 15-25mm depth of PTT/LTT, cleaning dust, oils, grease etc. from the popouts/ potholes properly by mechanical tools/ Brushing and priming the surface with Shali Grout EI and filling ShaliFix SC 40 or equivalent as approved make of High strength Quick setting repair mortar mixing with water with W/P ratio 0.14-0.15 and curing of homogeneous mixture after setting complete all as specified and as directed.

M&L for preparation of surface of popouts/ potholes exc 10 sqcm and not exc 20 sqcm plan area upto 10-30mm depth of PTT/LTT, cleaning dust, oils, grease etc. from the popouts/ potholes properly by mechanical tools/ Brushing and priming the surface with Shali Grout EI and filling ShaliFix SC 40 or equivalent as approved make of High strength Quick setting repair mortar mixing with water with W/P ratio 0.14-0.15 and curing of homogeneous mixture after setting complete all as specified and as directed.