UPKEEP AND MAINTENANCE TO RCC COMPONENTS ie, CHAJJA, PARAPET WALL Etc. INCLUDING UPROOTING OF PLANT FROM WALL/ROOF OTHER CONNECTED B/R WORKS AT RASHI AND RS COLABA AREA UNDER AGE B/R-II (NW) NAVYNAGAR

M&L for chipping, and removing carefully loose plaster by low impact hammer, breaker, with out damaging the structure & cleaning and disposal of debris out side the premises etc,including errection of double steel scafolding, covering with green cloth and all the safety measures/precuations and remove the debrius outside MD land (as per the direction of BMC) complete all as specified and dircted.

M&L for rendering 20mm thick in CM 1:4 in two coats (15mm thick backing coat and 5mm thick setting coat ) mixed with water proofing compound on other than fair faces of brick work or concrete surfaces , finished with surface even and smooth with out using extra cment complete all as specified and directed. ( WPC shall be measured and paid separately ).

Demolition of existing roof treatment of anydescription and preparing the surface by cleaning the concrete surface with wire brush and high pressure water jet and ensure free of dust, oil, grease, loose particles vegetation roots and disposal of debris out side the MD Land etc complete all as specified and directed by Engr-in-Charge.

M&L for Plain cement concrete 1:2:4 type B-0 (using 12.5mm graded stone aggregate) mixed with liquid water proofing compound, and maintaining the slope at the ratio1:30 . complete all as specified and directed by Engr-In-Charge. (WPCshall be measured and paid sparately)

Supply only Liquid water proofing compound.(ISI Marked) complete all as specified and directed.

M&L for 10mm thick rendering in CM 1:4 with mixed with liquid water proofing compound on fair faces of brick work or on concrete surfaces complete all as specified and directed Engr-In-Charge.(WPC shall be paid sparately)

M&L for water proofing treatment to RCC roof slab all as specified below and as directed:- ( a) Apply one coat of bitumous primer @ 0.25 Kg/Sqm. (b) Apply a coat of blown type bitumen grade 85/25 heated to working temperature of 180 degree centigrade and applied at 1.20 Kg/Sqm of the surface area. (c) Laying APP polymer modified membrane 4mm thick with non woven polyster reinforcement weighing not less than 4.00 Kg/ Sqm applied by torch application method and inserting membrane on vertical surfaces upto 300 mm height in continuation with floor waterproofing. (d) Apply a coat of blown type bitumen grade 85/25 heated to working temperature of 180 degree centigrade and applied at 1.20 Kg/sqm of the surface area. (e ) Over lapping of Membrane shallbe min 10 cm at transverse direction and 15 cm at on longitudinal direction. (g ) Work shall be carrried out by authorised applicator of water proofing only . Note: Every step shall be written and approved by GE through stage passing register which shall be kept on record.

M&L for plain cement concrete tiles 25cm x 25cm x22 mm thick with grey cement and no pigment machine pressed, set jointed and pointed in neat cement slurry in roofs , including 15 mm thick screed bed or bedding layer for laying tiles in C:M 1:4 complete all as specified and directed.

M&L for filleting in any position and to any shape of section area n. exc 25 sqcm in cement sand mortar 1:4 including all mitres, stops etc complete all as specified and directed.

M&L for Removal of existing affected, distressed, loose cover concrete including loose damaged concrete from all structural members up to beyond the corroded steel reinforcements to a depth of 10 mm minimum behind the reinforcement only at affected concrete (Good & sound concrete should not be chipped / damaged) by chipping / hacking with chisel and hammer or by mechanical means like light weight chisel hammer, etc. for all height as per Technical Specification without causing detrimental effect to any part of the structure and removal and disposal of debris out side MD land including all material, labour, tools, plant and machineries, lead & lifts etc. complete as specified and directed by Engineer-in-charge