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Mariano Medina Zagala Subcontracts Manager/Engineer/Administrator OR Sr. Quantity Surveyor

Philippines

MARIANO    M.    ZAGALA

Block-2, Lot-15 Crossandra Street,

San Pascual, Batangas, Philippines 4204

 

Email Address:
[email protected]

[email protected]

Telephone Nos:

Landline :
+6343 9809854
Mobile :
+639184573990
Passport  No:
EC4191917
Valid Up to:
17 May 2020
Education :

Course :
Bachelor of Science in Electrical Engineering – BSEE
University / College :
FEATI UNIVERSITY, Sta. Cruz, Manila Philippines
Gender :
Male
Civil Status :
Married
Citizenship :
Philippines

KEY SKILLS AND PROFICIENCIES

 

I possess this excellent verbal as well as written communication skills coupled with my experienced in designing clear contract and agreements in addition to my proficient analytical skills and ability to pay attention towards the details of the contract and find the flaws in them. I formulate a method in short-listing bidders and contractors and my ability to recommend or take independent decisions in awarding contracts and to carry out my administration/supervision skills to ensure the project is completed as per the contract terms and conditions.

 

PROFESSIONAL EXPERIENCES

 

2015  – 2016

 

Position
:
Subcontracts  Manager / Claims Manager
Company
:
AG&P of Manila Inc.
Name of Client/Project
:
Russian Federation  YAMAL GAS –  LNG Liquefied Natural Gas Module Fabrication, Erection  and Construction
Location
:
San Roque, Bauan, Batangas, Philippines
Inclusive Date
:
from March  2015  to February 2016
General Duties / Responsibilities:

–       Implement all Company policies and procedures for purchasing and contracting to ensure compliance.

–       Initiate the RFQ, ITB and RFP for various Subcontractors/Vendor we require to Subcontract Works and or Supply Materials.

–       Evaluate Bid proposals by Subcontractor/Vendor and attend Pre-bid, pre-qualification meeting (both Technical and Commercial) with representatives of potential Subcontractor/Vendor and evaluate/assess any history on works or physical material presented.

–       Responsible for negotiating subcontracts and attend bidders’ conferences or seminars and interview vendors.

–       Negotiates favorable contractual terms and conditions for potential service/material supplier Subcontractor or vendor.

–       Develop subcontract specifications, terms and conditions, as well as modify, add or delete portions of the subcontract to suit subcontract works specifications.

–       Develops and implements efficiencies of company practices and procedures shortening the quotation, RFP and decision making and evaluation time.

–       Responsible for the administration of different subcontract works awarded.

–       Develop /Implement various policies and procedures for claims.

–       Evaluate all claims and administer all data integrity and monitor all claims to ensure timely closure.

–       Analyze all claims to ensure optimal quality and prepare reports to monitor all chargeback expenses.

–       Analyze all claims and identify all risks and ensure processing of all claims as per company policy.

–       Schedule all internal and external audits on all claims issues and supervise processing of all billing issues.

–       Maintain claim files in an organized manner, review such files and ensure that payments have been completed and are correct.

–       Deals and resolve all VOR, Claims and payment requests by Subcontractors/Vendor.

–       Participate daily, weekly and monthly progress meetings with Client/Subcontractors/Vendors to mitigate and fast track outstanding works on critical items.

 

2012  – 2013

 

Position
:
Contracts Manager/Sr. Q.S. Eng’r.
Company
:
PIC – Marubeni Corporation
Name of Client/Project
:
EGAT Power Plant (Chana 2 Site) 2X370MW Combined Cycle

Power Plant –  CNCC2
Location
:
124/5 Moo 1, Highway 43. Tambon Paching Chana, Songkhla

90130    Thailand
Inclusive Date
:
July  2012 to July 2013

General Duties / Responsibilities:

–       Implement the operational strategies focusing on results with close coordination between procurement and contracting group.

–       Implement the contract strategy in the project tendering processes, contractor appraisal, evaluation and negotiation of offers, management of the contract.

–       Implement the Company Subcontracting and procurement sourcing strategy, subcontractor/supplier  selection  and  evaluation and  quality  management.

–       Provides timely  and  proper  preparation  of  Subcontracting and Procurement  plan  for  the project,  establishment  of the deadlines and monitoring of their implementation

–       Establish the proper  monitoring  system  and  control  of  procurement processes including organization of RFQ, ITB or RFP, receipt and evaluation of quotations, bids or proposals,  negotiation  of  certain  conditions  of  contracts  in  full  compliance  to Company procedures.

–       Manage Subcontractors/Vendors and implement the contractual obligation of each parties.

–       Manage the Construction Subcontract Packages (Civil / Mechanical / Electrical Instrumentation) and monitor the application of contractual terms and conditions

–       Prepare and draft Contract and PR for additional materials and work packages related to missed work items during FEED.

–       Check/evaluate the submitted progress percent quantities of Subcontractors/Vendors before approval.

–       Identify the additional extra works needed for quantification and additional costs.

–       Verify the submitted variation costs submitted by the Subcontractors/Vendors.

–       Negotiate any Claims raised by Subcontractors/Vendors and prepare if necessary Counter Claims under the Subcontract Terms & Conditions

–       Monitor the subcontractor’s compliance in our HSSE standard.

–       Implement the Company internal  Standard  Operating  Procedures  (SOPs)  in  Subcontracts and Procurement.

–       Implement  the cost saving and reduction strategies

–       Management of procurement and work Subcontracts. Responsible in the implementation of the internal cost control system in Procurement and Subcontracts which ensures that Timely corrective actions on budget.

–       Attend weekly, monthly consortium meetings with our Company’s partner and client.

 

2008  – 2015

 

Position
:
Contracts Engineer/Administrator
Company
:
M.B.ABRAHAN BUILDERS (Elect / Mech / Civil Subcontractor)
Name of Client/Project
:
Residential Building Construction in Citadella(1),Venturanza(2),

Hillsborough(1),Constantine(2), Verdana(2), SLR-GV  Soil Backfill

Supply(30,000M3) etc.
Location
:
San Pascual Batangas, Philippines
Inclusive Date
:
from August  2013  to February 2015
 

Position
:
Contracts Engineer/Administrator for Commissioning
Company
:
SEPAM – Saudi Arabian Mining Company
Name of Client/Project
:
Maaden Aluminum Smelter Plant Commissioning
Location
:
Ras Al-Khair Kingdom of Saudi Arabia
Inclusive Date
:
from March  2012 to June 2012
 

Position
:
Contracts Engineer/Administrator
Company
:
M.B.ABRAHAN BUILDERS (Elect / Mech / Civil Subcontractor)
Name of Client/Project
:
Residential Building Construction in Citadella(1), Venturanza(2),

Hillsborough(1), Constantine(2), Verdana(2), SLR-GV Soil Backfill

Supply(30,000M3) etc.
Location
:
San Pascual Batangas, Philippines
Inclusive Date
:
from December  2010 up to March 2012
 

Position
:
Contracts Engineer/Administrator
Company
:
TCCI – JGC ARABIA LTD.
Name of Client/Project
:
SPC-NCP (National Chevron Philips) North Plot Ethylene Plant Refinery  Project                                                                        Plant Refinery  Project
Location
:
Jubail, Kingdom of Saudi Arabia
Inclusive Date
:
July 2010 to December 2010
 

Position
:
Contracts Engineer/Administrator
Company
:
KENTECH INTERNATIONAL
Name of Client/Project
:
Construction – KNOC  Gas Expansion Refinery Construction

Project
Location
:
P.O. Box 7150, 640002  Fahaheel, State of Kuwait
Inclusive Date
:
February 2009  to  May 2010
 

Position
:
Contracts Engineer/Administrator
Company
:
NES – TECHNIP ( with JGC and TECNICAS REUNIDAS CONSORTIUM )
Name of Client/Project
:
01 Duong Vuong St. Quang Ngai,Socialist Republic of Vietnam
Location
:
Dung Quat Oil & Gas Refinery ( Petrovietnam ) Construction  Project
Inclusive Date
:
May 2008  to  December 2008
General Duties / Responsibilities:

–       Prepare list and prequalification of Subcontractors/Vendor after finalization of FEED documents.

–       Preparation and issue of Call for bids with qualified Subcontractors/Vendors.

–       Issue ITB, RFQ and RFP and attend Pre-bid, pre-qualification meeting (both Technical and Commercial) for the Works and  Supply of Materials by Subcontractor/Vendor Suppliers.

–       Analysis of offers, Prepare and organize commercial and technical clarification meetings,

–       Negotiation (contractual, commercial), preparation of final bid tabulations and Preparation of the subcontracts.

–       Prepare draft subcontract documents for bids for every work package

–       Responsible for appropriate supplier selection/bidding processes and Subcontract pricing validation for all purchase requests.

–       Responsible for the awarded works and material supply for the fabrication/construction of electrical/mechanical/civil works package.

–       Manage the Subcontracts awarded for the performance of the Works and prepare the amendments to be approved by the Head Office

–       Analyze / check interim progress of Subcontractors/Vendors with re-measurement quantity surveyors prior to issuance of progress certificates

–       Assess site instructions and confirm from construction department the extent of the work done and or Materials Supplied for Back-Charge Claims to subcontractors/Vendors.
–       Assist in the preparation of Claims for all change orders submission

–       Estimate progress works for monthly billing invoice submission to our clients.

–       Interact with suppliers on a daily basis to resolve transactional issues and gather critical information, tracking info, etc. documentation.

–       Maintain an open line of communications to the Subcontractors/Vendors and answer each and every correspondence.

–       Maintaining our contract log correspondences, Variation Orders Notification/Claims and payment requests to our clients.

–       Negotiation with Subcontractors/Vendors regarding differences in assessed values. Issuance of change orders to Subcontractors/Vendors in relation with the agreed amounts

–       Responsible for resolving invoice price and terms discrepancies to enable order processing.

–       Responsible for supplier communication to resolve transactional issues and deliverable

–       Prepare all the correspondences to the Subcontractors/Vendors and answer each and every correspondence from the Subcontractors

–       Prepare and analyze all back charges, all potential Claims and issue Variation Notice to Subcontractors/Vendors and vendors.
–       Prepare and seek approval of commercial and contractual correspondence from project manager

–       Provide all necessary back-ups during negotiations of Claims, variations orders, change orders and back charges.

–       Issue back-charge claims & letters together with the invoices to Subcontractors/Vendors.

–       Submits progress construction cost report

–       To Analyze / check interim progress of Subcontractors/Vendors with re-measurement quantity.

–       Check invoices submitted by Subcontractors/Vendors for issuance of request for payments

–       Participate daily, weekly and monthly progress meetings to report action closures on critical items.

–       Attend meetings for reconciliation of final account settlement and contract close-out.

–       Confirmation of Final account and Preparation on the Release of Retention after the issuance of Provisional Acceptance Certificate to Subcontractors.

–       Confirmation of Final account, namely verification of all amounts previously paid in order to determine the balance of payment if any.
2005  – 2007

 

Position
:
Sr. QS / Contracts Engineer/Administrator
Company
:
PETROFAC INTERNATIONAL LTD.
Name of Client/Project
:
KIO –  Gas Processing Refinery Plant Expansion , Karachaganak                        Republic Of  Kazakhstan
Location
:
P.O. Box 23467 Sharjah U.A.E
Inclusive Date
:
October 2006  to December 2007

Position
:
Sr. QS / Contracts Engineer/Administrator
Company
:
QATAR KENTZ  W.L.L.
Name of Client/Project
:
Dolphin GTL – Gas Upstream And Compression Facilities Refinery Plant  Construction Project
Location
:
P.O. Box 3865 Doha, State of Qatar
Inclusive Date
:
August 2005  to  August 2006

General Duties / Responsibilities:

–       Analyze payment categories indicated in the site instructions and field change sheets in relation with the assessment of change order proposals submitted by subcontractors

–       Analyze/check interim progress of subcontractors with re-measurement engineers prior to issuance of progress certificates

–       Assist the Subcontract Manager in all the disputes with the Subcontractors in order to arbitrate contractual disagreements

–       Check invoices submitted by Subcontractors for issuance of request for payment

–       Checking of change order progress summaries prior to issuance change order progress certificates

–       Determine a fair valuation for the work that has been completed by the subcontractor at each phase throughout the project

–       Discussion and checking of assessed values and quantities with Contracts Manager

–       Evaluate, prepare, and issue Progress Report, Work Orders, Back charges, and Amendments

–       Issuance of change orders to subcontractors in relation with the agreed amounts

–       Issue request for payment to accounting department

–       Manage and Handle Electrical/Instrument & Mechanical Subcontract

–       Manage the Subcontract and monitor the application of contractual terms and conditions

–       Measure required quantities (Bill of Quantity) from drawings, sketches, and specifications prepared by design consultancy firm to assist in preparation of the tender documents (Bid Document) for tendering

–       Coordinate weekly commercial meetings with Subcontractors

–       Attend meetings related to the progress of the project together with external parties whenever required

–       Attend monthly meeting with section heads and discuss work items that are not included in the contract and could be a potential Claim.

–       Prepare and evaluate reports regarding site conditions and submit variation orders to Client

–       Prepares and evaluate monthly accomplishment report

 

2004  – 2005

 

Position
:
Cost Estimator  (Electrical & Instrumentation / Mechanical / Civil)
Company
:
BULK FLEET MARINE CORPORATION
Name of Client/Project
:
Babcock/Hitachi Merchant Ship & Drydock Facilities Rehabilitation Upgrade
Location
:
Balintawak Street, Bolo, Bauan, Batangas, Philippines
Inclusive Date
:
May 2004 to May 2005
General Duties / Responsibilities:

–       Produce monthly/quarterly/annual variance and trend analysis expenditure reports and explain key cost movements with respect to commitments, latest estimates against plan as agreed

–       Produce cost reports and presentations suitable for management (monthly, quarterly and annually) as required, giving planned, actual and forecast costs, for all ongoing projects and contracts

–       Produce other ad-hoc reports and presentations on cost information that may be required from time to time

–       Review and audit contractors’ cost management and reporting procedures for all new contracts

–       Collects data from subcontract department & prepares cost codes.

–       Update, monitor and prepare report about the Work Orders, construction site PO’s, significant quantities, claims and trends

–       Prepare estimation and forecast. Update quantities of subcontract through the revisions received from engineering department

–       Monitor and update construction equipment at site

–       Update the Construction Cost Report monthly which includes budget, committed/forecast, manhours, physical progress and forecast history.

 

1994  – 2004

 

Position
:
Quantity Surveyor  (Electrical & Instrumentation / Mechanical / Civil)
Company
:
SAIPEM Spa.  ( GLOBAL PETROPROJECTS SERVICES AG. )
Name of Client/Project
:
1)      Samabri Biseni Cluster – 2 ( Agip ) Power Plant Associated Facilities Upgrade – Nigeria

2)    Obiafu Obrikom Gas Plant  Refinery Expansion Project – Nigeria

3)    Irri Flow Station   N-LNG Gas Supply Phase -3  OGGS Construction Project – Nigeria

4)   Karachaganak MWC – Export Gas Processing/ Utilities Complex & Refinery,Pipeline & Block Valve Stations Construction Project – Kazakhstan
Location
:
Uetlibergstr 134 8045 Zurich Switzerland
Inclusive Date
:
May 2001 to February 2004

 

Position
:
Quantity Surveyor  ( Electrical & Instrumentation / Mechanical / Civil)
Company
:
DAELIM INDUSTRIAL Co. LTD.
Name of Client/Project
:
1) Aramco – Berri Gas Plant Refinery Expansion Project – Jubail,Ksa

2) Aroma–2  Gas Plant Refinery Construction Project- Formosa Corp. – Mai Liao, Taiwan

3)  Petrokemya – Olefins III  Refinery Expansion Project (Sabic ) – Jubail, KSA
Location
:
23-9 Yoido-Dung  Yongdungpo-ko Seoul Korea
Inclusive Date
:
December1994 to October 1999

General Duties / Responsibilities:

–       Monitor, track and verify Contract Risk/Reward mechanism

–       Prepare internal estimates for Management of Change (MoC) purposes

–       Provide Benchmark Check Estimate prior to receipt of Contractor Proposals

–       Assessment of change order proposals submitted by subcontractors

–       Checking and verification of site measurement records with construction supervisors

–       Confirmation of work done through construction department

–       Agree measurement quantities with contractor

–       Agree measured progress of the work with contractor

–       Identify / agree star rates – including benchmarking of unit rate/manhour rates and prices with industry norms

–       Establish validity of VO’s and claims received from Contractor

–       Negotiate and agree value of VO’s and claims

–       Agree Daywork and reimbursable items with Contractor

–       Agree final accounts and close out contracts

–       Participate in commercial and progress meetings

–       Participate in Contractor and Company Audits

–       Prepare Notes/Minutes of Meeting

–       Manhour and cost analysis and reporting of contractor’s activities

–       Assist with preparation of reports and input of data

–       Assist with Company Self Verification overview

–       Highlight cost pressures and potential changes

–       Assist Contract Management/Administration

–       Coordinate with the clients Quantity Surveyor regarding monthly accomplishments through comparison of quantities prior to issuance of interim payment certificates

–       Estimates various projects for bidding purposes

–       Familiarization with contract documents and drawings

–       Negotiation with subcontractors regarding differences in assessed values

–       Perform field inspection and surveys to determine actual field conditions and gather all information pertinent to estimating

–       Prepare and evaluate claims on site and discuss with the Client for approval

–       Prepare measurement reports for final account and coordinate with the clients quantity surveyor for approval and acceptance by the client.

–       Prepare quantity take-off of all variation orders and negotiate with the owner’s representative.

–       Prepares quantity take-off for Mechanical, Electrical/Instrumentation and Structural Works

–       Prepare and evaluate claims on site and discuss with the Client for approval.
1991  -1993

 

Position
:
Assistant Electrical Engineer  ( SCADA Design – Electrical )
Company
:
COMPANHIA DE ELECTRICIDADE DE MACAU ( CEM )
Name of Client/Project
:
CEM – Substations Rehabilitation For Scada Implementation
Location
:
Macau,SAR,Peoples Republic of China
Inclusive Date
:
February 1991  to  February 1993
General Duties / Responsibilities:

–       Assist in the design of the ongoing SCADA project which needs revision and incorporation of additional apparatus to supplement basic signaling functions and controls of the main computer control center

–       Estimate and quantify all projected additional  materials needed for the completion of work in every sub-stations switchgear and control panels namely on Kaho, Coloane, Pak-on, Lisboa, Taipa, Macau Norte etc

–       Prepare documents ( punch lists etc. ) for pre-commissioning test in the SCADA  system

–       Works with a group in supervising the actual testing of circuits and controls of equipment in the SCADA system

–       Makes electrical layout, rough sketches and plot plans before final design  approval

–       Attend Mandatory Periodic Health and Safety Orientation with regards to the Construction Phase of the project.

 

1988  -1991

 

Position
:
Engineering Technical Staff  ( Designer-Elec & Instr / Mechanical/Civil)
Company
:
BELLELI SAUDI HEAVY INDUSTRIES LTD.
Name of Client/Project
:
1)      QGPC – Offshore Utilities Platform Project

2)      Aramco Safaniya Platform Jackets Fabrication & Installation Project
Location
:
Jubail, Kingdom of Saudi Arabia
Inclusive Date
:
November 1988  to  January 1991
General Duties / Responsibilities:

–       Review plans, drawings and specification as to the field construction of modules and jackets for offshore gas platforms

–       Check any modifications regarding plans and drawings which needs incorporation of additional information especially for mechanical/piping, electrical and instrumentation

–       Estimate all electrical/instrument and mechanical/piping design revisions for oil modules, gas platforms and petrochemical plants

–       Maintains a balance flow of incoming / outgoing documents and transmit all necessary messages (fax, letters, technical queries, vendor drawings, specifications drawing and plans) to every related department

–       Prepare bill of materials in every material take-offs and a coded material specification as per client requirement

–       Field check all equipment and materials erected, installed and stored for   mechanical/ piping, electrical and instrumentation

–       Computing, estimating and scheduling work-man hours in the project

–       Works with a group which is responsible in finalizing the documents, plans and drawings for commissioning by company’s client.

 

1985  -1987

 

Position
:
Electrical Supervisor   ( E & I )
Company
:
ABDULLAH H. AL-MUTAWA ESTABLISHMENT
Name of Client/Project
:
Aramco Abqaiq Housing & Oil & Gas Processing Plant, Dammam Port QC  Bldg. Maintenance
Location
:
Sihat, Kingdom of Saudi Arabia
Inclusive Date
:
June 1985  to  December 1987
General Duties / Responsibilities:

–       Responsible for the supervision and coordinating design, estimate, control and  also assisting in the preparation of bid/tender proposals for the company’s electrical and other related electro mechanical projects.

–       Makes regular inspections to several existing projects for evaluation and recommendation namely : residential housing, Dammam Port Maintenance, Camp Facilities and central shops, Aramco Abqaiq Gas Plant Maintenance etc.

–       Submits weekly accomplishment report to the project control group for the present status of assigned area under my responsibility

–       Responsible for the supervision and actual field repairs, minor construction and preventive maintenance on power distribution, emergency power, lighting and fire control, elevators, mini desalination plant, HVAC systems etc.

–       Attend Mandatory Periodic Health and Safety Orientation with regards to the Construction Phase of the project.

 

1981  -1983

 

Position
:
Electrical Draftsman ( Electrical )
Company
:
LYON ASSOCIATES INC..TECHNOSPHERE
Name of Client/Project
:
Gas Station, Residential Building & 4-Storey Commercial Building Constructiion
Location
:
Makati City,MM,Philippines
Inclusive Date
:
June 1981  to  March 1983
General Duties / Responsibilities:

–       Directly involved in the preparation, estimate and control of all electrical drawings and documents of the company

–       Works in a team for the design of multi-storey building complex and industrial plants

–       Drafts and design on electrical works for buildings and on gas station which  is part of our company’s awarded contracts.

–       Makes on site inspection for construction progress monitoring.

Education

June 1979 to October 1984 Bachelor of Science in Electrical Engineering at Feati University

Have all the rights, privileges and honors as well as the obligations and responsibilities
appertaining thereto, in recognition of his proficiency in the general and special
studies and exercises prescribed by the Ministry of Education, Culture and Sports
for such degree.