SPL REPAIR TO BLOCK NO. P-85 and P-92 OF ME LINE OF COD AGRA UNDER GE (WEST) AGRA

Dismantling brick tiles from roof surfaces, laid bedded and pointed in mortar of any description, including removal of the tiles and debris from the site, complete all as specified and directed.

Demolition and removal of mud from roofs, of any thickness, including removal of plastering and leaping (whether the full thickness or only a portion thereof), complete all as specified and directed.

Disposal of removed/demolished soil, debris and other materials to a distance exceeding 1.50 km but not exceeding 5.00 km from the site and depositing at the location directed, complete all as specified and directed.

M&L for cement concrete 1:2:4 type B-0 (using 12.5 mm graded crushed stone aggregate) as in roof kerbs or mud stops, rounded or chamfered on edges and in similar works including use of necessary form work (striaght or curved) complete all as specified and directed.

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided for complete all as specified and directed.

M&L for cement concrete 1:2:4 type B-1 (using 20 mm graded crushed stone aggregate) as in benching, coping, roof padding and similar work including use of necessary form work (striaght or curved) complete all as specified and directed.

Taking down existing treatment of sunken portions, including demolition and removal of old concrete/treatment, cleaning and preparing the surface, and carrying out new sunken portion treatment in accordance with the steps specified hereunder :- (a) S&F GI drainage spout, 40 mm bore, light grade, projecting through the external/outer wall and extending approximately 450–600 mm beyond the outer face of the wall. (b) M&L for providing and laying PCC 1:1.5:3, Type A-0, using 12.5 mm graded stone aggregate, 50 mm thick, laid to slope towards the drainage spout pipe, mixed with approved waterproofing chemical of make Fosroc/Sika/Pidilite/STP, as per the manufacturer's instructions, including forming khurras of minimum 150 mm × 150 mm at appropriate locations to ensure free flow of any leaked water towards the drainage spouts. The drainage spouts shall be securely fixed and embedded integrally in the PCC using the same concrete, (c) M&L for 18 mm thick cement plaster in cement mortar 1:3) on vertical faces, mixed with approved waterproofing chemical, Make: Pidicrete URP of Dr. Fixit or equivalent product of Sika/Pidilite/Fosroc/STP, as per the manufacturer's instructions, including surface preparation, finishing and curing. (d) Item No. 7(c) shall be executed while the concrete is still green, as specified in Item No. 7(c) above. Proper curing and ponding test shall be carried out before laying the drainage/water supply pipes, to the entire satisfaction of the Engineer-in-Charge. (e) Applying two coats of SikaTop Seal-107 of Sika or other equivalent waterproofing coating of Fosroc/Pidilite/Dr. Fixit/STP on prepared vertical as well as horizontal surfaces, including surface preparation, in accordance with the manufacturer's instructions. (f) Drainage and water-supply pipes, including sanitary pipes, where required, shall be laid to the required gradient and tested for leakage before being concealed/covered. A clear gap shall be maintained beneath the pipes by providing suitable cement concrete supports/blocks Description of item contd..

Item No.7 (Contd..) (g) M&L for PCC 1:5:10, Type E-2, using 10–40 mm graded stone aggregate, of required thickness as specified and directed at site, over and including a 150 mm thick layer of 20 mm single-sized stone aggregate as filter media. (h) M&L for 25 mm thick PCC 1:2:4, Type B-0, using 12.5 mm graded stone aggregate, as a levelling course (j) M&L for 7 to 8 mm thick non skid, coloured, joint less ceramic tile (square/rectangular) area of each tile exceeding 0.06 sqm but not exceeding 0.11 sqm as in floors etc laid jointing in neat cement slurry and pointed filled with epoxy chemical Make :- SIKA/FOSROC/PIDILITE/Dr Fixit/STP mixed with pigment to match with shade of tiles over and including 15mm thick screed bed in CM(1:6) complete all as specified and directed. (k) Note for item : (i) Waterproofing treatment shall be carried out concurrently with the laying and fixing of drainage pipes, sanitary pipes, drainage spouts and other associated pipework (ii) The work shall be carried out strictly in accordance with the directions of the Engineer-in-Charge (iii) The sunken treatment work shall only be carried out after written approval of Engineer in charge for leakage/seepage of water/ sanitary pipes. (iv) The cost of drainage spouts shall be deemed to be included in the quoted rate of the item. However, sanitary pipes and water-supply pipelines, shall be measured and paid for separately under the relavent items in this Schedule. (v) All chemicals required for various applications shall be mixed, applied and laid strictly in accordance with the manufacturer's instructions (vi) Only the plan area of the treated surface shall be measured and paid for. (vii) Contractor shall submit the digital photographs of each stage to the Engineer-in-Charge for each sunken portion separately before claiming the payment of this item in RAR / FB and quoted rates shall deemed to include for same.

M&L for plain cement concrete 1:4:8 type D-2 (using 40mm graded stone aggregate) as in foundations, filling and mass concrete etc complete all as specified and directed

M&L for repair to structural members such as roof slabs, beams, columns, chajjas, etc., including removal of all loose and damaged concrete, dust, oil, paint, grease and other deleterious materials from the affected area; exposing the corroded reinforcement, wherever present, and removing all rust, scale and corrosion deposits from the reinforcement; applying Dr Fixit rust-removal treatment followed by epoxy zinc primer to the cleaned reinforcement, providing and applying one coat of Dr. Fixit epoxy bonding agent to the prepared concrete surface, providing and fixing watertight shuttering,and placing/pouring approved Dr. Fixit micro-concrete into the prepared shuttering, including compaction, finishing and curing, for repair thickness/depth not exceeding 100 mm, all strictly in accordance with the manufacturer's instructions and as specified and directed. Note :- (i) Products of Fosroc / STP / Pidilite / Sika / Asian equivalent to Dr. Fixit can also be used with prior written approval of GE. (ii) Contractor shall submit the digitial photographs of each stage to the Engineer-in-Charge and quoted rates shall deemed to include for same.