No.: SBB-2021-009-003
September 16, 2021
BID BULLETIN
Notice is hereby announced to all interested bidders that the below listed project will be pushedthru on September 23, 2021, with the following revisions.
Contract ID No. : 21OB0264
Name of Project : Rehabilitation of Drainage System at Barangay Concepcion Dos, Marikina City
Original ABC : Php 78,399,525.74
Revised ABC : Php 78,399,438.55
Item No. Item Description Unit Quantity
From To
101(3)b3 Removal of Actual Structure/Obstruction
(PCCP unreinforced) m2 5,205.57 5,111.30
101(3)d Removal of Actual Structure/Obstruction
(Sidewalk) m2 2,430.15 2,402.01
101(4)c Removal of Actual Structure/Obstruction
(Curb and Gutter) lm 1,714.50 1,686.36
102(2) Surplus Common Excavation m3 699.23 685.69
103(1)a Structure Excavation (Common Soil) m3 14,820.82 14,575.44
200(1) Aggregate Sub - Base Coarse m3 268.93 263.73
201(1) Aggregate Base Coarse m3 155.85 154.53
311(1)d2 PCC Pavement (Unreinforced) , 250mm -
7 days m2 2,689.32 2,637.26
403(4)a1 Structural Steel kgs 36,317.72 35,626.29
404(1)a Reinforcing Steel Bar, Grade 40 kgs 280,664.16 275,970.27
405(1).a2 Structural Concrete Class "A" m3 2,918.50 2,869.62
407(8) Lean Concrete Class "A" m3 224.78 221.12
500(3)a5 CHB Line Canal (1.0mx1.0m) lm 1,677.50 1,649.36
503(1)a Metal Frame and Grating sets 42.00 41.00
600(4)b Concrete Curb and Gutter lm 1,751.50 1,723.36
601(1) Sidewalk (100mm thk) m2 998.85 970.71
1021(1)a Cement Floor Finish m2 2,430.15 2,402.01
For information and guidance of all concerned.
LAMBERTO C. DE LEON
BAC Chairman
NCR.13.5 RAS
