EXCAVATION Excavating over site to reduced levels, getting out, removing, depositing, spreading, levelling and mechanically ramming and consolidating on site or removing off site to a dump as directed by the S.O. or depositing at Contractor's own dumping ground (measured separately) Backfilling around foundation, trenches, column bases, pile caps, beams, pier holes and the like Spreading, levelling, compacting, ramming and consolidating or rolling with hand roller CONCRETE WORK Plain concrete complying with SS EN 206-1 (SS 289); in bed, fillings, under blinding, foundations, column bases, ground slabs, beams, etc. irrespective of thickness Reinforced concrete complying with SS EN 206-1 (SS 289); in foundation, beds, slabs, beams, columns, staircases, retaining walls, etc. irrespective of sizes or thickness including working around rod or fabric reinforcement, steel beams, stanchion, etc. **(TB005 - TB006 and TZ030 - TZ034) Page 1 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 0001 Not exceeding 100mm deep M2 1.00 TSN001 0002 Exceeding 100mm and not exceeding 200mm deep M2 2.00 TSN002 0003 Exceeding 200mm and not exceeding 300mm deep M2 2.90 TSN003 0004 Exceeding 300mm deep M3 9.80 TSN004 0005 Excavation in Embankment commencing from reduced level in ordinary ground including forming of surfaces and removal of surplus excavated materials within site. M3 13.40 TA007 0006 Selected excavated material consolidated in layers obtained within the site M3 13.20 TSN005 0007 Selected imported dry earth consolidated in layers obtained from Contractor's own sources M3 10.40 TA012 0008 Hardcore as specified by the S.O. in beds, making up levels, etc. including blinding with sand / granite dust M3 41.40 TA021 0009 Quarry dust in beds, fillings, etc. irrespective of thickness M3 66.70 TSN006 0010 Granite aggregate of minimum size 60mm in beds, fillings, etc. irrespective of thickness M3 69.00 TSN007 0011 3mm to 6mm granite chippings in beds, filling, etc. irrespective of thickness M3 72.50 TSN008 0012 Unwashed sand in bed, filling, etc. irrespective of thickness M3 51.80 TA020 0013 C12/15 (Grade 15) M3 134.10 TB002 0014 C16/20 (Grade 20) M3 125.80 TB001 0015 C16/20 (Grade 20) in isolated pier or post foundation 0.50m3 or less including any extra excavation, disposal and formwork NO. 94.00 TSN009 0016 C20/25 (Grade 25) M3 135.30 TB005 0017 C25/30 (Grade 30) M3 137.70 TB006

PRECAST CONCRETE PRECAST OPEN SCUPPER DRAIN Mild steel rod reinforcement complying with BS 4449 / SS 560; in foundations, beams, slabs, stairs, canopies, etc. including all labour forming stirrups, links, spacer blocks etc. High tensile deformed steel bar reinforcement complying with BS 4449 / SS 560; in foundations, beams, slabs, stairs, canopies, etc. including all labour forming stirrups, links, spacer blocks etc. Welded steel fabric reinforcement complying with SS 32 / SS 561; well lapped at joints (measured nett - no allowance made for laps) Page 2 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 0018 C28/35 (Grade 35) M3 140.10 TZ030 0019 C32/40 (Grade 40) M3 143.70 TZ031 0020 C35/45 (Grade 45) M3 148.60 TZ033 0021 C40/50 (Grade 50) M3 154.60 TZ034 0022 Small quantities in irrespective of concrete grade not exceeding 0.15 metre cube to match existing, including all necessary formwork. M3 402.70 TSN010 0023 Pre-cast concrete C20/25 (Grade 25) in heelstones, cills, lintels etc including reinforcement, moulds and setting in cement mortar M3 501.10 TB067 0024 Pre-cast concrete C20/25 (Grade 25) in heelstones, cills, lintels etc excluding reinforcement but including moulds and setting in cement mortar M3 322.10 TB065 0025 Pre-cast concrete C25/30 (Grade 30) in heelstones, cills, lintels etc including reinforcement moulds and setting in cement mortar M3 503.40 TB066 0026 Pre-cast concrete C25/30 (Grade 30) in heelstones, cills, lintels etc excluding reinforcement but including moulds and setting in cement mortar M3 324.50 TB064 0027 100mm high heelstone in cement mortar (1:2) to base of door frame (100 x 63mm or 100 x 50mm) including 1 no 12mm diameter mild steel rod. NO. 11.90 TZ236 0028 230mm wide x 450mm deep standard precast concrete open scupper drain channel (Type S1) true to line and levels as directed (Excavation, sand bed and bakau rollers measured separately). M 28.40 TZ213 0029 6mm diameter KG 1.70 TSN011 0030 10mm to 13mm diameter KG 1.50 TSN012 0031 10mm to 13mm diameter KG 1.50 TSN013 0032 16mm to 32mm diameter KG 1.50 TSN014 0033 40mm diameter KG 1.50 TSN015 0034 Reference No. A6 / - weighing 2.22kg/m2 M2 4.80 TB010 0035 Reference No. A7 / - weighing 3.02kg/m2 M2 6.40 TB011 0036 Reference No. A8 / WA8 weighing 3.95kg/m2 M2 8.80 TB012 0037 Reference No. A9 / WA9 weighing 4.99 kg/m2 M2 10.90 TSN016