Republic of the DEPARTMENT OF PUBLIC WORKS AND HIGHWAYS OCCIDENTAL ENGINEERING DISTRICT OFFICE REGIONAL OFFICE IV-B ,

SUPPLEMENTAL BULLETIN NO. CW21-02-03 November 24, 2020

Subject: RESETTING OF PROCUREMENT ACTIVITIES, REVISION OF BILL OF QUANTITIES (BOQ), PLANS AND SCOPE OF WORK

Contract ID Contract Name & Location

Road Widening along Mindoro West Coastal Rd - K0352 + 732 - K0353 + 000, K0354 + 590 - K0355 21EB0024 + 510 21EB0030 Road Widening along Jct MWCR (Labangan)-Murtha-Jct Iriron Rd - K0235 + 491 - K0237 + 160 21EB0050 Widening of Bridge - Pola Br. (B00105MR) along Mindoro West Coastal Rd (Phase II) 21EB0055 Construction of Busuanga Flood Control (San Pedro Section), Rizal, Occidental Mindoro 21EB0057 Construction of Flood Control Structure, Amnay River, Ilvita Section, , Occidental Mindoro Construction of Flood Control Structures, Busuanga River, San Agustin Section, Sitio Lamis, San 21EB0059 Jose, Occidental Mindoro Construction of Flood Control Structures, Lumintao River, New Dagupan Section, Calintaan, 21EB0060 Occidental Mindoro Construction of Tanyag Flood Control Mechanism along Lumintao River, Sitio Gutad, 21EB0062 Tanyag, Calintaan, Occidental Mindoro Construction of Tanyag Flood Control Structure along Lumintao River, Barangay Tanyag, Calintaan, 21EB0063 Occidental Mindoro Construction of Tanyag Flood Control Structure along Lumintao River, Sitio Jaravata Area, Barangay 21EB0064 Tanyag, Calintaan, Occidental Mindoro

This Supplemental Bulletin No. CW21-02-03 is being issued to modify the contents of the corresponding Bidding Documents.

Section I – Invitation to Bid (IB)

Scope of Work Duration Contract ID Contract Name & Location a) Original a) Original b) Revised b) Revised Construction of Busuanga Flood Control (San Pedro Section), a) 358.00 L.M. a) 293 C.D. 21EB0055 Rizal, Occidental Mindoro b) 285.00 L.M. b) N/A Construction of Flood Control Structure, Amnay River, Ilvita c) 228.00 L.M. c) 293 C.D. 21EB0057 Section, Sablayan, Occidental Mindoro d) 254.00 L.M. d) 287 C.D. Construction of Flood Control Structures, Busuanga River, San e) 305.00 L.M. e) 287 C.D. 21EB0059 Agustin Section, Sitio Lamis, San Jose, Occidental Mindoro f) 248.00 L.M. f) N/A Construction of Flood Control Structures, Lumintao River, New g) 446.00 L.M. g) 287 C.D. 21EB0060 Dagupan Section, Calintaan, Occidental Mindoro h) 307.00 L.M. h) N/A Construction of Tanyag Flood Control Mechanism along i) 221.00 L.M. i) 278 C.D. 21EB0062 Lumintao River, Sitio Gutad, Barangay Tanyag, Calintaan, j) 263.00 L.M. j) 287 C.D. Occidental Mindoro Construction of Tanyag Flood Control Structure along Lumintao k) 225.00 L.M. k) 278 C.D. 21EB0063 River, Barangay Tanyag, Calintaan, Occidental Mindoro l) 279.00 L.M. l) 287 C.D. Construction of Tanyag Flood Control Structure along Lumintao m) 225.00 L.M. m) 278 C.D. 21EB0064 River, Sitio Jaravata Area, Barangay Tanyag, Calintaan, n) 278.00 L.M. n) 287 C.D. Occidental Mindoro

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Section II – Bid Data Sheet (BDS)

ITB Clause Original Provisions New Provisions Supplemental Bulletin No. CW21-02-02 Supplemental Bulletin No. CW21-02-03 22 The deadline for submission of bids is The deadline for submission of bids is November 27, 2020 / 9.00 A.M. December 04, 2020 / 9.00 A.M. 26.1 The date and time of bid opening is The date and time of bid opening is November 27, 2020 / 9.00 A.M. / December 04, 2020 / 9.00 A.M. / Immediately after deadline submission of Immediately after deadline submission of Bids Bids

FOR Contract ID Nos. 21EB0055, 21EB0057, 21EB0059, 21EB0060, 21EB0062, 21EB0063 and1EB0064:

ITB Clause 14.2a)4)(c) Revised Minimum major equipment requirement are the following: Construction Equipment Capacity Required Units Cargo Truck (10T) 10T 1 Bulldozer 155 Hp, D65A-8 1 Payloader 1.50 cu.m. 1 Dump Truck 10 cu.m 2 Motorized Road Grader G710A 1 Vibratory Roller (10 m.t.), SP56 1 Water Truck (1000 gal.) 1 Backhoe (0.28 m³) 1 Plate Compactor 5 HP 1 Truck Mounted Crane 41 - 45 mt 1 Diesel Hammer K25 1 Drop Hammer 1 Cutting Outfit 1 Jack Hammer 2 Air Compressor 365 - 450 cfm 1 One Bagger Mixer 1 Concrete Vibrator 1 Bar Cutter 1 Bar Bender 1 Welding Machine 500 A 1 Minor Tools Cargo Truck (10T) 10T 1

Section X – Bill of Quantities (BOQ)

Revised Bill of Quantities Contract ID Contract Name (BOQ) Construction of Busuanga Flood Control (San Pedro Section), Copy of revised Bill of Quantities 21EB0055 Rizal, Occidental Mindoro (BOQ) and Plan hereto attached. Construction of Flood Control Structure, Amnay River, Ilvita Copy of revised Bill of Quantities 21EB0057 Section, Sablayan, Occidental Mindoro (BOQ) and Plan hereto attached. Construction of Flood Control Structures, Busuanga River, San Copy of revised Bill of Quantities 21EB0059 Agustin Section, Sitio Lamis, San Jose, Occidental Mindoro (BOQ) and Plan hereto attached. Construction of Flood Control Structures, Lumintao River, New Copy of revised Bill of Quantities 21EB0060 Dagupan Section, Calintaan, Occidental Mindoro (BOQ) and Plan hereto attached. Construction of Tanyag Flood Control Mechanism along Copy of revised Bill of Quantities 21EB0062 Lumintao River, Sitio Gutad, Barangay Tanyag, Calintaan, (BOQ) and Plan hereto attached. Occidental Mindoro Construction of Tanyag Flood Control Structure along Lumintao Copy of revised Bill of Quantities 21EB0063 River, Barangay Tanyag, Calintaan, Occidental Mindoro (BOQ) and Plan hereto attached. Construction of Tanyag Flood Control Structure along Lumintao Copy of revised Bill of Quantities 21EB0064 River, Sitio Jaravata Area, Barangay Tanyag, Calintaan, (BOQ) and Plan hereto attached. Occidental Mindoro

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Supplemental Bulletin is being made due to revision of Plans and Bill of Quantities (BOQ) and the implementation of D.O. No. 87 series 2020.

This Supplemental Bulletin No. CW21-02-03 shall form an integral part of the Bidding Documents.

For guidance and information of all concerned.

(SIGNED) GERARDO D. CLEMENTE Chief, Quality Assurance Section BAC Chairperson

RCLJ EMS RKSS NMA VML

Copy furnished:

Ms. ROSEMARIE N. TRAJECO Engr. ROBERTO G. DIMAYACYAC Mr. GILBERT V. TRIA State Auditor III President, PICE, Occ. Mindoro Chapter President, Rotary Club of Mamburao Central COA, DPWH, Mindoro Occ. DEO Sablayan, Occ. Mindoro District 3810 Mamburao, Occ. Mindoro Mamburao, Occ. Mindoro

Mr. WAI SHUN (Wilson) SEE BAC SECRETARIAT President, PCCI, Occidental Mindoro Chapter BAC TECHNICAL WORKING GROUP Hap Seng Suki Mart San Jose, Occ. Mindoro

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