Autoclaved aerated concrete blocks 590mm x 190mm; bedding, jointing and pointing in thin set mortar Bitumen polymer homogeneous horizontal damp proof course with fibre felt base complying with BS 5628 Part 3 well lapped at joints and laid on and including cement and sand mortar (1:4) Brick-on-edge in steps, sills, etc. (plan area measured) TAKING DOWN EXISTING BRICKWORK OR BLOCKWORK CUTTING AND SUNDRY LABOUR ON EXISTING BRICKWORK OR BLOCKWORK Page 6 Generated on 08/10/2019 HOUSING AND DEVELOPMENT BOARD STANDARD SCHEDULE OF RATE FOR Building Tradesmen & Repair Works (202001) S/N DESCRIPTION UNIT RATE($) Code 0105 150mm thick walls M2 134.70 TSN066 0106 75mm thick walls M2 28.10 TSN067 0107 100mm thick walls M2 32.70 TSN068 0108 Extra over either of item TSN067 to TSN068 inclusive for building fair face; raking out joints and flush jointing in tinted cement as the works proceeds (one side only) M2 5.50 TSN069 0109 Damp proof course, 110mm wide M 2.70 TSN070 0110 Damp proof course, 230mm wide M 2.80 TSN071 0111 190mm wide brick-on edge laid in prepacked mortar with 10mm joints in steps, sills, copings, footpaths etc. complete with pointing M 25.60 TD095 0112 Breaking up blockwork or brickwork in cement mortar including plaster (measured in gross thickness) and removing debris off the site. M3 52.40 TC018 0113 Labour and material for pointing the joints of brickworks in coloured cement mortar. M2 11.00 TC010 0114 Filling groove / expansion joint gap between brickwall and beam/ column with polyurethane sealant joint (horizontal or vertical) with an approved backing rod M 4.30 TSN072 0115 Forming splay with approved polymer modified cement mortar/ non shrink grout to the correct gradient including hacking when necessary M 5.20 TSN073 0116 100mm x 80mm x 6mm thick galvanised angle plate with approved 8mm diameter chemical adhesive galvanised stud anchor at 150mm centre to centre; to existing wall as corner guards M 34.70 TSN074 0117 Strengthening existing brickwalls,tile cladding,,etc with "Hilti" HRD wall tie or approved equivalent including drilling holes, brushing out all loose materials, filling hole with non-shrink grout and touching up hole with paint to match existing NO. 6.00 TSN075 0118 Cutting out block or brickwork to form opening for new door, window or other opening, or to enlarge existing opening including all necessary strutting and shoring required, levelling for sills, cutting toothings and providing bonding in new brick required, and making out jambs and heads ready to receive new plaster or other finish, cutting and pinning in ends of new sills, lintols, fixing lugs, cramps, bolts, etc. and clearing away all debris (nett size of required opening including allowance for lintol and sills (lintols and sills measured separately) M3 212.50 TC043 0119 Raking out joints 10mm deep and re-pointing in cement mortar with a neat struck weathered or flush joint M2 8.10 TSN076 0120 Raking out mortar joints to an average depth of 25mm to 30mm, brushing out all loose sand/mortar and fill the groove with approved polyurethane sealant as specified to form a continuous sealant. M 4.20 TC025 0121 Raking out defective joint, at least 10mm deep around around door frame or window, or to flashing or similar, and re-pointing in cement mortar M 1.80 TSN077

Cutting chase or rebate (nett size of chase or rebate required measured) in brickwork or blockwork and making good including pinning in and bedding and jointing in cement mortar to edges of slabs, sills, pipes and similar items Cutting hole through brickwork or blockwork for pipes or similar and grouting in or rendering round reveals in cement mortar (1:2) and making good one or both sides (nett size of pipe or article measured) REPAIR WORKS TO BRICKWALL Cutting out cracks to form V-shape grooves, cleaning and preparing surfaces and patching up the cracks with approved mortar of sufficient adhesive, compressive and tensile strength including provision for mobilisation, grout pipes, fine wiremesh, pressure grouting pumps, tools, all accessories, scaffolding and hacking and making good plastered or tiled finishes if any. Applying two coats of water and weather resistance protective/decorative coating as carbonation barrier all in accordance to grouting specialist's recommendation. Cutting out cracks to form V-shape grooves, cleaning and preparing surfaces and patching up the cracks with approved mortar of sufficient adhesive, compressive and tensile strength including provision for mobilisation, grout pipes, fine wiremesh, pressure grouting pumps, tools, all accessories, scaffolding and hacking and making good plastered or tiled finishes if any. Applying two coats of elastomeric waterproofing coating as carbonation barrier all in accordance to grouting specialist's recommendation. Page 7 Generated on 08/10/2019 HOUSING AND DEVELOPMENT BOARD STANDARD SCHEDULE OF RATE FOR Building Tradesmen & Repair Works (202001) S/N DESCRIPTION UNIT RATE($) Code 0122 Pointing joint of all sizes with silicone mastic to metal / wood frame or sanitary appliances, etc. M 2.20 TSN078 0123 Not exceeding 0.005m2 of sectional area M 3.50 TSN079 0124 Exceeding 0.005m2 and not exceeding 0.01m2 of sectional area M 4.40 TSN080 0125 Exceeding 0.01m2 and not exceeding 0.03m2 of sectional area M 6.10 TSN081 0126 Cutting hole or sinking not exceeding 0.01m2 and 25mm deep into surface of brickwork or blockwork including trimming and making good back face and edges (nett size of required sinking measured) NO. 2.70 TSN082 0127 Add to item TSN082 for each additional 25mm or part of 25mm deep NO. 1.80 TSN083 0128 Not exceeding 0.0001m3 NO. 1.80 TSN084 0129 Exceeding 0.0001m3 and not exceeding 0.0002m3 NO. 3.20 TSN085 0130 Exceeding 0.0002m3 and not exceeding 0.002m3 NO. 4.50 TSN086 0131 Exceeding 0.002m3 and not exceeding 0.01m3 NO. 5.60 TSN087 0132 Exceeding 0.01m3 and not exceeding 0.05m3 NO. 7.00 TSN088 0133 Hack out cracks of brick or block walls to form ' U ' shaped grooves (min) 20mm deep x 20mm wide and fill up gaps with prepacked mortar mix with bonding agent and painting 3 coats emulsion paint to match existing. M 7.60 TC046 0134 Extra over item TC046 for inserting 20mm x 3mm x 250mm long galvanised flat bar fish tailed both ends at strategic location within the 'U' shaped grooves. NO. 3.90 TC047 0135 Brick substrates; non shrink cementitious mortar M 18.50 TSN089 0136 Brick substrates; non shrink cementitious mortar M 19.50 TSN090