ARENA-SAFETY & OPPORTUNITIES MAULIK SHAH, MSC, PENG

Transcription

1 ARENA-SAFETY & OPPORTUNITIES MAULIK SHAH, MSC, PENG

2 SAFETY 2

3 Exit Door Signage Name & address of the installer Refrigerant type and total weight in the system Field test pressures applied Refrigeration capacity Total kw, HP, full load amp., and volt rating of all prime movers 3

4 Leak Detector Remote sensor(s) in room(s) where leaks are likely to occur Panel alarms at 25ppm audible enough to be heard by rink attendant when inside the building Below 300ppm, ventilation system ramps up and compressors shut down 4

5 5

6 Leak Detector Types Five types of sensors available for leak directors (varies in price & features- pros and cons) 1. Chemical -detector tubes 2. Solid state 3. Electrochemical 4. Infrared 5. Ionmobility spectrometers 6

7 Relief Valves & Relief Line 7

8 Relief Valves & Relief Line Pressure-relief valves shall be replaced at intervals no longer than five years. Sized as per the latest code 8

9 Ventilation Single Fan has (2) speeds or multiple Fans At low speed, provides for normal air change of 0.5cfm per ft2 of mechanical room At high speed, is meant to remove ammonia from the machinery room High speed triggered by manual shutdown or high Refrigerant(NH3) alarm Can only be shut down inside the room High speed is calculated based on mass of refrigerant 9

10 Exit Door Exterior doors must also be self-closing and self-locking There must be enough door space to permit escape opportunity for the maximum number of people who may be in the room They should not open to any corridor, or public rooms where people may be assembled 10

11 Vestibule Self-closing, crash bar style, tight-fitting doors, opening outwards from machinery room Refrigerant Alarm Emergency shut-down Eyewash station General arrangement drawing 11

12 P & Id Drawing in vestibule (preferably) Shows all major valves, and power disconnects 12

13 Log Book & Log Sheets Log book should include who is in charge, the date, and the time of all events taking place outside normal activities Log book should indicate any maintenance performed on the system Log sheets should be used to check key equipment readings, positions, operation, ambient temperatures, and any other items important to the operation 13

14 Instructions Emergency instructions Shutdown procedures First responder contacts ABSA contacts Management contact Equipment repair contact Job safety procedures for routine tasks 14

15 PPE(Personal Protective Equipment) The owner of any refrigeration system shall supply and maintain for its employees the Personal Protective Equipment required by the jurisdiction where the system is located 15

16 MACHINE ROOM Access restricted to authorized people Large enough to provide access for operations, maintenance, and service Equipment not floor mounted must be accessible by fixed ladder or portable device(s) meant to legally allow access, and kept on site at all times Any roof equipment must be set back at least 3m from roof edges or railings, and fall arrest equipment to be provided to all trained employees All equipment must meet Occupational Health & Safety requirements, including guarding Labelling of all Pipes and valves with paint Minimum temperature for room is 5 C and may require supplemental heating and equipment Other than lighters, atmospheric testing equipment, or matches, no open flame, or equipment with a temperature exceeding 427 C is permitted Room must meet the National Building Code of Canada, and have a 1 Hr Fire Rating 16

17 PIPING Piping should be guarded from impact by moving equipment Piping, Equipment, Valves should be labelled/tagged Ammonia Piping Color Scheme Recommendations as per IIAR bulletin 114 Piping cannot pass through enclosed hallways, landings, stairways, or elevator/dumb waiter shafts Piping cannot go through floors other than basement to main floor, or top floor to refrigeration room Piping crossing walkways shall be located at least 2.3m from the ground, or against the ceiling Provisions must be made for safety relief valve piping discharge 17

18 Labelling-IIAR Bulletin

19 OPPORTUNITIES 19

20 Grants Community Facility Enhancement Program (CFEP) funding provides financial assistance to acquire, build, purchase, repair, renovate, upgrade or expand sports, recreational, cultural or other related public-use community facilities. Community Initiatives Program (CIP) funds initiatives that enhance and enrich communities throughout Alberta. The program: Reinvests revenues generated from provincial lotteries to communities Empowers local citizens and community organizations to work together Responds to local needs Heat Recovery/Saving Projects VFDs Desuperheater Process water Heating 20

21 CFEP 21

22 CIP 22

23 THANK YOU!!