C--A&E ARC Flash Study Project #693-11-126

THIS IS A 100% SET ASIDE FOR SERVICE-DISABLED VETERAN OWNED SMALL BUSINESS (SDVOSB) CONCERNS. Firms responding to this announcement must be registered and verified as a SDVOSB at http://vip.vetbiz.gov in accordance with VAAR 804.1102. The NAICS Code for this acquisition is 541330 and the applicable small business size standard is not more than $4.5 million dollars average annual revenues for the past three years. The area of consideration is RESTRICTED to a 200 mile radius of the VA Wilkes-Barre Medical Center, 1111 East End Blvd, Wilkes-Barre, PA 18711 in which the A/E firm's office must be located. The estimated construction range is between $250,000 and $500,000. Firms that meet the requirements listed in this announcement are invited to submit three (3) copies of Standard Form (SF) 330 with appropriate documentation to the Contracting Officer, Attention: Everett Shaver, Contracting (049E), Wilkes-Barre Medical Center, 1111 East End Blvd, Wilkes-Barre, PA 18711, no later than June 3, 2011, 4:00 P.M., EDST. Forms are available on the internet at: http://www.gsa.gov/portal/forms/type/TOP. FAX AND/OR E-MAIL SUBMISSIONS WILL NOT BE ACCEPTED. Responders are solely responsible for all expenses associated with responding to this Combined Synopsis/Solicitation. THIS IS NOT A REQUEST FOR PROPOSAL. THERE ARE NO SOLICITATION DOCUMENTS AVAILABLE. This requirement is subject to Availability of Funds. The completed SF330 will be evaluated by the VA Medical Center Architect-Engineer Evaluation Board in accordance with Federal Acquisition Regulation (FAR) 36.602-1. Interviews shall be held with at least the top three firms selected based on submittal of SF330's. The board shall provide a listing, in order of preference, to Contracting Office for negotiations. In accordance with FAR 36.606, negotiations shall be conducted beginning with the most preferred firm in the final selection. Interested parties shall ensure current Licensing, and have current registration in the Central Contractor Registration (CCR) database at http://ccr.gov and VetBiz Information pages (VIP) at http://vip.vetbiz.gov, as well as have submitted the current VETS-100 report at http://www.dol.gov/vets/program/fcp/main.htm. In addition, current Representation and Certifications must be filed via the Online Representation and Certifications Application (ORCA) at https://orca.bpn.gov. The VA Wilkes-Barre Medical Center, is seeking Architect-Engineering (AE) design services to provide the following: 1.01 SCOPE 1) The contractor shall furnish short-circuit and protective device coordination studies as prepared by a Registered Professional Engineer. 2) The contractor shall furnish an Arc Flash Hazard Analysis Study per the requirements set forth in NFPA-70E- Standard for Electrical Safety in the workplace. The arc flash hazard analysis shall be performed in accordance to the IEEE 1584 equations that are presented in NFPA- 70E-2009, Annex D. 3) The scope of the studies shall include all existing electrical distribution in the Veterans Administration Medical Center, 1111East End Blvd, Wilkes-Barre PA. 1.02 REFERENCES 1) Institute of Electrical and Electronic Engineers, Inc (IEEE): a) IEEE 141- Recommended Practice for Electrical Power Distribution and Coordination of Industrial and Commercial Power Systems. b) IEEE 242- Recommended Practice for Protection and Coordination of Industrial and Commercial Power Systems. c) IEEE 399- Recommended Practice for Industrial and Commercial Power System Analysis. d) IEEE 241- Recommended Practice for Electrical Power Systems in Commercial Buildings. e) IEEE 1015- Recommended Practice for Applying Low-Voltage Circuit Breakers Used in Industrial and Commercial Power Systems. f) IEEE 1584- Guide for Performing Arc-Flash Hazard Calculations. 2) American National Standards Institute (ANSI): a) ANSI C57.12.00- Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers. b) ANSI C37.13-Standard for Low Voltage AC Power Circuit Breakers Used in Enclosures. c) ANSI C37.010- Standard Application Guide for AC High Voltage Circuit Breakers Rated on a Symmetrical Current Basis. d) ANSI C37.41- Standard Design Tests for High Voltage Fuses Distribution Enclosed Single-Pole Air Switches, Fused Disconnecting Switches, and Accessories. 3) The National Fire Protection Association (NFPA): a) NFPA 70- National Electric Code, Latest Edition. b) NFPA 70E- Standard for Electrical Safety in the Workplace. 1.03 SUBMITTALS FOR REVIEW/APPROVAL 1) The completed short-circuit, protective device coordination arc flash hazard analysis studies shall include the following sections: a) Executive Summary. b) Descriptions, purpose, basis, and scope of the studies. c) Tabulation of circuit breaker, fuse, and other protective device ratings versus calculated short-circuit duties. d) Protective device time versus current coordination curves, tabulations of relay and circuit breaker trip unit settings, and fuse selection e) Fault current calculations including a definition of terms and guide for interpretation of the computer printout. f) Details of the incident energy and flash protection boundary calculations. g) Recommendations for system improvements, where needed. h) One-line diagram in PDF format. 1.04 QUALIFICATIONS 1) The short-circuit, protective device coordination, and arc flash hazard analysis studies shall be conducted under the supervision and approval of a Registered Professional Electrical Engineer skilled in performing and interpreting the power system studies. 2) The Registered Professional Electrical Engineer shall be a full-time employee of an approved engineering firm. 3) The Registered Professional Electrical Engineer shall have a minimum of five (5) years experience in performing power systems studies. 1.05 COMPUTER ANALYSIS SOFTWARE 1) The studies shall be performed using software programs specially designed to standards governing short-circuit, coordination, and arc flash hazard calculations. PART 2 PRODUCT 2.01 STUDIES 1) The contractor will furnish short-circuit and protective device coordination studies as prepared by an approved engineering firm. 2) The contractor shall furnish an Arc Flash Hazard Analysis Study per NFPA-70E-Standard for Electrical Safety in the Workplace, reference Article 130.3 and Annex D. 2.02 DATA COLLECTION 1) The contractor shall collect necessary data as required by the power system studies. The engineer performing the studies shall furnish the contractor with a listing of required data immediately after award of the contract. The contractor will coordinate with VAMC Engineering to obtain any drawings for review and up-dating. 2) Source combination may include present and future motors and generators. 3) If applicable, include fault contribution of existing 25 HP or larger motors in the study. The contractor shall obtain required existing equipment data, if necessary, to satisfy the study requirements. 2.03 SHORT-CIRCUIT AND PROTECTIVE DEVICE EVALUATION STUDY 1) Typical conductor impedances shall be based on IEEE Standard 141-1993. 2) Transformer design impedances shall be used when test impedances are not available. 3) Provide the following: a) Calculation methods and assumptions. b) Selected base per unit quantities. c) One-line diagram of the system being evaluated. d) Source impedance data, including electric utility system and motor fault contribution. e) Tabulations of calculated quantities. f) Results, conclusions, and recommendations. 4) Calculate short-circuit momentary and interrupting duties for a three-phase bolted fault at each: a) Electric utility supply termination point. b) Incoming switchgear. c) Unit substation primary and secondary terminals. d) Low voltage switchgear. e) Motor control centers. f) Standby generators and automatic transfer switches. g) Branch panel boards. h) Other significant locations throughout the system. 5) Protective Device Evaluation: a) Evaluate equipment and protective devices and compare to short-circuit ratings. b) Adequacy of switchgear, motor control center, and panel board bus bars to withstand short-circuit stresses c) Advise VAMC Engineering, in writing, of existing circuit protective devices improperly rated for the calculated available fault currents. 2.04 PROTECTIVE DEVICE COORDINATION STUDY 1) Proposed protective device coordination time-current (TCC) shall be displayed on log-log scale graphs. 2) Include on each TCC graph, a complete title and one-line diagram with legend identifying the specific portion of the system covered. 3) Terminate device characteristic curves at a point reflecting maximum symmetrical or asymmetrical fault current to which the device is exposed. 4) Identify the device associated with each curve by manufacturer type, function, and, if applicable, tap, time delay, and instantaneous settings recommendations. 5) Plot the following characteristics on the TCC curve, where applicable: a) Electric utility overcurrent protective device. b) Medium voltage equipment overcurrent relays. c) Medium and low voltage fuses including manufacturer's minimum melt, total clearing, tolerance, and damage bands. d) Low voltage equipment circuit breaker trip devices, including manufacturer's tolerance bands. e) Transformer full-load current, magnetizing inrush current, and ANSI through-fault protection curves. f) Ground fault protective devices, as applicable. g) Pertinent motor starting characteristics, where applicable. h) The largest feeder circuit breaker in each motor control center and applicable panel board. 2.06 ARC FLASH HAZARD ANALYSIS 1) The arc flash hazard analysis shall be performed according to the IEEE 1584 equations that are presented in NFPA-70E, Annex D. 2) The flash protection boundary and the incident energy shall be calculated at all significant locations in the electrical distribution (switchboards, switchgear, motor control centers, panel boards, busways, and splitters) where work could be performed on energized parts. 3) The Arc Flash Hazard Analysis shall include all significant locations in 208 volt systems fed from transformers equal to or greater than 125 KVA where the work could be performed on energized parts. 4) Safe working distances shall be based upon the calculated arc flash boundary considering an incident energy of 1.2 cal/cm2. 5) When appropriate, the short-circuit calculations and the clearing times of the phase overcurrent devices will be retrieved from the short-circuit and coordination study model. Ground over-current relays should not be taken into consideration when determining the clearing times when performing incident energy calculations. 6) The short-circuit calculations and the corresponding incident energy calculations for multiple system scenarios must be compared and the greatest incident energy must be uniquely reported for each equipment location. Calculations must be performed to represent the maximum and minimum contributions of fault current magnitude for normal and emergency operating conditions. The minimum calculation will assume that the utility contribution is at a minimum and will assume a minimum motor contribution (all motors off). Conversely, the maximum calculation will assume a maximum contribution from the utility and will assume the maximum amount of motors to be operating. Calculations shall take into consideration the parallel operation of synchronous generators with the electric utility for extended periods, where applicable. 7) For each equipment location with a separately enclosed main device (where there is adequate separation between the line side terminals of the main protective device and the work location), calculations for incident energy and flash protection boundary shall include both the line and load side of the main breaker. 2.06 REPORT SECTION 1) Input data shall include, but not be limited to the following: a) Feeder input data including feeder type (cable or bus), size, length, number per phase, conduit type (magnetic or non-magnetic) and conductor material (copper or aluminum). b) Transformer input data, including wiring connections, secondary neutral-ground connection, primary and secondary voltage ratings, KVA rating, and impedance. c) Generation contribution data (synchronous generators and utility), including short-circuit reactance (X"d), MVA, rated voltage, three-phase and single-phase line to ground contribution (for utility sources) and X/R ratios. d) Motor contribution data (induction motors and synchronous motors), rated horsepower or KVA, and rated voltage. 2) Short-Circuit Output Data shall include, but not be limited to the following reports: a) Low voltage fault report shall include a section for three-phase fault calculations and shall show the following information: i) Voltage. ii) Calculated fault current magnitude and angle. iii) Fault point X/R ratio. b) Momentary Duty Report shall include a section for three-phase fault calculations and shall show the following information: i) Voltage. ii) Calculated symmetrical fault current magnitude and angle. iii) Fault point X/R ratio. iv) Calculated asymmetrical fault currents. c) Interrupting Duty Report shall include a section for three- phase fault calculations and shall show the following data: i) Voltage. ii) Calculated symmetrical fault current magnitude and angle. iii) Fault point X/R ratio. iv) No AC Decrement (NACD) ratio. v) Equivalent impedances. vi) Multiplying factors for 2, 3, 5, and 8 cycle circuit breakers. 3) Recommended Protective Device Settings: a) Phase and ground relays: i) Current transformer ratio. ii) Current setting. iii) Time setting. iv) Instantaneous setting. v) Recommendations on improved relaying systems, if applicable. b) Circuit Breakers: i) Adjustable pickups and time delays (long time, short time, ground). ii) Adjustable time current characteristic. iii) Adjustable instantaneous pickup. iv) Recommendations on improved trip systems, if applicable. 4) Incident Energy and Flash Protection Boundary Calculations a) Arcing fault magnitude. b) Protective device clearing time. c) Duration of arc. d) Arc flash boundary. e) Working distance. f) Incident energy. g) Hazard risk category. PART 3 EXECUTION 3.01 FIELD ADJUSTMENT 1) Adjust relay and protective device settings according to the recommended settings table provided by the coordination study. 3.02 ARC FLASH WARNING LABELS 1) The contractor of the Arc Flash Hazard Analysis shall provide labels for each work location analyzed. The label shall include the following information, at a minimum: a) Location designation. b) Nominal voltage. c) Flash hazard boundary. d) Hazard risk category. e) Incident energy. f) Working distance. 2) Labels shall be machine printed, with no field markings. 3) Arc flash labels shall be provided in the following manner and all labels shall be based on recommended overcurrent device settings. a) For each 480 and applicable 208 volt panel board, one arc flash label shall be provided. b) For each motor control center, one arc flash label shall be provided. c) For each low voltage switchboard, one arc flash label shall be provided. d) For each switchgear, one arc flash label shall be provided. e) For each medium voltage switch, one arc flash label shall be provided. 3.02 ARC FLASH TRAINING 1) The contractor of the Arc Flash Hazard Analysis will provide training for VAMC Engineering personnel on the potential arc flash hazards associated with working on energized equipment (minimum of 4 hours). The training will be based on NFPA provided material using NFPA trained instructors. Each person attending the classes will receive a certificate of attendance. --------------------------------------------------------------------------------------------------------------------- VAAR Clause 804.1102 regarding verification of SDVOSB status is provided below for reference. 804.1102 Vendor Information Pages (VIP) Database. Prior to January 1, 2012, all VOSBs and SDVOSBs must be listed in the VIP database, available at http://www.VetBiz.gov, and also must be registered in the Central Contractor Registration (CCR) (see 48 CFR subpart 4.11) to receive contract awards under VA's Veteran-owned Small Business prime contracting and subcontracting opportunities program. After December 31, 2011, all VOSBs, including SDVOSBs, must be listed as verified in the VIP database, and also must be registered in the CCR to be eligible to participate in order to receive new contract awards under this program.