ICDP/RANCHI/13/2026-27

Dismantling old plaster and pointing in cement or lime and raking out joints to 15mm depth, watering and disposal of unserviceable materials with all leads all complete as per direction of E/I.

Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete sqm

Providing 12mm cement plaster (1:6) with clean coarse sand of F.M. 1.5 including screening, curing with all leads and lifts of water, scaffolding taxes and royalty all complete as per building specification and direction of E/l.

Providing 12mm cement plaster (1:3) with clean coarse sand of F.M. 1.5 including screening, curing with all leads and lifts of water, scaffolding taxes and royalty all complete as per building specification and direction of E/I.

Extra for providing and fixing 30X4mm glass strips in joints of flooring , complete job as per specification and direction of E/I.

Water proofing for old and new roof slab - Providing and laying water proofing treatment on roof slab by applying two component, factory designed, ready to use acrylic modified flexible material applied with brush roller or spray for water proofing coating as per manufacturer specifications with gollowing steps:

a. Surface preparation - Providing and cleaning of concrete surface to remove dust, oil, grease including removal of existing loose paint/coating and cement laitance by cleaning with compressed air & water jet including all matrials, labour, tools, complete, ponding test to be done after plugging all outlets and to be checked from soffit to identify seepage leakage. On identification of seepage cement grouting to be done with non shrink expanding adminxture of Sika India Pvt Ltd./MYK schomberg/Dr. Fixit/Fosroc or equivalent. Providing and repairing of all corners and joints such as those between the parapet wall and the roof slab etc. sahll be chamfered with 150mm X 150mm fillet of mortar (cement, sand 1:4) admixed with acrylic polymer of Sika/Fosroc/MYK scholmberg/Dr fixit or equivalent. Before chamfering a prime coat shall be given with the slurry of acrylic polymer, Repairing surface irregularities, damaged concretein base slab dead cracks if any, with an acrylic polymer modified repair mortar including a coat of bonding agent of the same with cement slurry including all material, labour, tools complete.

b. 1st coat -Apply 1st coat of two component acrylic modified, ready to use flexible cementitious material on surface saturated dry roof and inside wall of parapet wall upto 600mm by brush or roller. After 1st coat of application, 45 gsm of fibre glass cloth to lay when the first layer is still green. 1st coat should be applied @ 1.50kg/sqmt/coat. Fore the prupose of measurement the entire treated surface will be measured.

c. 2nd coat - To apply the 2nd coat of two component acrylic modified, ready to use flexible cementitious material on right angle to the 1st coat over the glass fibre laid surface 2nd coat should be applied @ 0.7kg/sqmt/coat. For the purpose of measurement the entire treaed surface will be measured After three days of drying the 2nd coat, the rain water outlets to be plugged and ponding test to be done for 48 hours to identify seepage, leakage from soffit and if found necessary rectification to be done as per satisfaction of E/C. The water proof coating to be protected from damage before screed over it. Water proofing brand Sika Topseal 109hi/Fosroc Brushbond RFX/Dr Fioxit Pidiffin 2K/MYK Aquafin TG. Product performance- Chemical base part A Acrylic copolymer, Part B Specially graded cementitious powdere density 1.6 kg/I (mixed density) at +27 degree C. Tensile strength - 2N/mm2 after 28 days (with fibre cloth) (according to ASTM D 2370) Pullout bond strength - 2 N/mm2 (concrete failure) (According to ISO 4624) slant-shear bond strength - 4N/mm2 (according to FIP 5.15) Elongation at break - 35% without fibre cloth and 20% with fire cloth (according to ASTM D 2370)

d. Protection of treated surfaces with PCC ; The treated syrface shound be covered with 25mm/50mm PCC of M-20 grade (1:1.5:3) with proper slope (1:120) towards the rain outlets in alternate panels of 2 mt X 2 mtr. Keeping 6mm gap between the panel joint integral water proofing admixture conforming to IS 2645 @ of 100ml per bag of cement to be added in the screed concrete (Paid separately for this items) All corners shall be chamfered with 150mm X 150mm fillet. The rainwater outlets shall be just leveled with the screed concrete to ensure smooth discharge of water - peripherial gaps between PVC pipe outlet and concrete surface should be packed properly with rich concrete nd the peripherial mouth to be sealed with mosture insensitive epoxy putty of sika India Pvt. Ltd/MYK schomberg/Dr. Fixit/Fosroc. For purpose of measurement the entire treated surfaces will be measured e, Grooves of PCC surface should be filled with polysulphide sealant. Brand - Sika India Pvt. Ltd. /MYK Schomberg/Dr. Fixit/Foscroc warranty for five years.