Attachment 2. Modular Bldg Design.pdf
PDF 5 MB Posted
- Attached to
- 841st Network Cabling Installation
- Solicitation number
- FA441826Q0067
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Summary
This is an architectural design and construction specification document for a modular building facility located in Charleston, South Carolina. The document provides comprehensive technical requirements and detailed construction plans across eight pages of drawings and specifications covering electrical, mechanical, plumbing, structural, and general construction standards.
The electrical specifications mandate compliance with the National Electrical Code (NEC) for all circuits and grounding, with specific requirements for lighting fixtures in closets (surface-mounted or recessed with clearance requirements), water heater disconnects, and HVAC equipment disconnects. All exterior receptacles must be in weatherproof enclosures rated for damp and wet locations. Exterior lights require photocells or timers, and occupancy sensor switches must provide bi-level lighting control with automatic shutoff within 30 minutes of occupancy. Mechanical specifications require 10" x 10" adjustable supply air registers with insulated ductwork (minimum R-6 insulation in ventilated attics, R-8 outside), interior door undercuts for air return, HVAC fresh air intakes providing 5 CFM per person and 0.06 CFM per square foot, and exhaust fans with minimum 50 CFM for water closets. All systems must use programmable thermostats with heating and cooling controls capable of maintaining setpoint temperatures at adjustable levels. Plumbing, structural steel, and roofing systems are detailed with specific material requirements (ASTM A36 steel, ANSI/ASME lag screws), construction techniques, and air barrier compliance specifications. The building design follows the 2021 South Carolina Building Code based on the 2021 IBC with South Carolina amendments.
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ELECTRICAL NOTES:
1. ALL CIRCUITS AND EQUIPMENT SHALL BE GROUNDED IN ACCORDANCE WITH THE APPROPRIATED
ARTICLES OF THE NATIONAL ELECTRICAL CODE (NEC).
2. WHEN LIGHT FIXTURES ARE INSTALLED IN CLOSETS THEY SHALL BE SURFACE MOUNTED OR
RECESSED. INCANDESCENT FIXTURES SHALL HAVE COMPLETELY ENCLOSED LAMPS. SURFACE
MOUNTED INCANDESCENT FIXTURES SHALL HAVE A MINIMUM CLEARANCE OF 12 INCHES AND ALL
OTHER FIXTURES SHALL HAVE A MINIMUM CLEARANCE OF 6 INCHES FROM "CLOSET STORAGE
SPACE" AS DEFINED BY NEC ARTICLE 410.2.
3. WHEN WATER HEATERS ARE INSTALLED THEY SHALL BE PROVIDED WITH READILY ACCESSIBLE
DISCONNECTS ADJACENT TO THE WATER HEATERS SERVED. THE BRANCH CIRCUIT SWITCH OR
CIRCUIT BREAKER SHALL BE PERMITTED TO SERVE THE AS THE DISCONNECTING MEANS ONLY
WHERE THE SWITCH OR CIRCUIT BREAKER IS WITHIN SIGHT FROM THE WATER HEATER OR IS
CAPABLE OF BEING LOCKED IN THE OPEN POSITION.
4. HVAC EQUIPMENT SHALL BE PROVIDED WITH READILY ACCESSIBLE DISCONNECTS ADJACENT TO THE EQUIPMENT SERVED. A UNIT SWITCH WITH A MARKED "OFF" POSITION THAT IS A PART OF THE
HVAC EQUIPMENT AND DISCONNECTS ALL UNGROUNDED CONDUCTORS SHALL BE PERMITTED AS
THE DISCONNECTION MEANS WHERE OTHER DISCONNECTING MEANS ARE ALSO PROVIDED BY A
READILY ACCESSIBLE CIRCUIT BREAKER.
5. PRIOR TO ENERGIZING THE ELECTRICAL SYSTEM THE INTERRUPTING RATING OF THE MAIN
BREAKER MUST BE DESIGNED AND VERIFIED AS BEING IN COMPLIANCE WITH ARTICLES 110-9 &
110.10 OF THE NEC BY LOCAL ELECTRICAL CONSULTANT.
6. THE MAIN ELECTRICAL PANEL AND FEEDERS ARE DESIGNED BY OTHERS, SITE INSTALLED AND
SUBJECT TO LOCAL JURISDICTION APPROVAL.
7. ALL CIRCUITS CROSSING OVER THE MODULE MATE LINE SHALL BE SITE CONNECTED WITH
APPROVED ACCESSIBLE JUNCTION BOXES OR CABLE CONNECTORS.
8. ALL RECEPTACLES INSTALLED IN WET LOCATIONS (EXTERIOR) SHALL BE IN WEATHER PROOF (WP) ENCLOSURES. THE INTEGRITY OF WHICH IS NOT AFFECTED WHEN AN ATTACHMENT PLUG CAP IS
INSERTED OR REMOVED. THE RECEPTACLE ITSELF SHALL ALSO BE LISTED FOR DAMP AND WET
LOCATIONS AS PER NEC.
9. EXTERIOR LIGHTS NOT INTENDED FOR 24 HOUR USE SHALL BE CONNECTED TO A PHOTOCELL OR
TIMER.
10. OCCUPANCY SENSOR SWITCHES SHALL PROVIDE A BI-LEVEL LIGHTING CONTROL TO PROVIDE
EITHER CONTINUOUS DIMMING, OR AT LEAST ONE INTERMEDIATE STEP IN LIGHTING POWER
BETWEEN 30% & 70% OF FULL POWER IN ADDITION TO FULL ON AND FULL OFF.
11. AUTOMATIC CONTROL DEVICES SHALL BE INSTALLED TO AUTOMATICALLY TURN OFF LIGHTS
WITHIN 30 MINUTES OF ALL
OCCUPANTS LEAVING THE SPACE AND SHALL EITHER BE MANUAL ON OR SHALL BE CONTROLLED
TO AUTOMATICALLY TURN THE LIGHTING ON TO NOT MORE THAN 50% POWER.
MECHANICAL NOTES:
1. ALL SUPPLY AIR REGISTERS SHALL BE 10 INCHES X 10 INCHES ADJUSTABLE WITH 20 INCHES X 10 INCHES
(INSIDE) OVERHEAD GALVANIZED STEEL DUCT, UNLESS OTHERWISE SPECIFIED. SUPPLY DUCTS EXPOSED TO VENTILATED ATTICS SHALL HAVE MINIMUM R-6 INSULATION. DUCTS IN UNCONDITIONED SPACES SHALL
HAVE R6 MIN. INSULATION & R8 INSULATION WHERE LOCATED OUTSIDE OF THE BUILDING.
2. INTERIOR DOORS SHALL BE UNDERCUT 1.5 INCHES ABOVE FINISHED FLOOR FOR AIR RETURN AND / OR AS
NOTED ON FLOOR PLAN (FOR NON-FIRE RATED DOORS).
3. HVAC EQUIPMENT SHALL BE EQUIPPED WITH OUTSIDE FRESH AIR INTAKES PROVIDING 5 CFM PER PERSON
AND 0.06 CFM PER SQUARE FOOT OF BUILDING AREA PER IMC.
4. VENT FANS SHALL BE DUCTED TO THE EXTERIOR AND TERMINATE AT AN APPROVED VENT CAP.
5. EXHAUST FANS SHALL PROVIDE A MINIMUM OF 50 CFM FOR EACH WATER CLOSET AND URINAL.
6. PERMISSIBLE GAS TYPE FOR APPLIANCES: NONE (ALL ELECTRIC).
7. THERMOSTATS MUST BE PROGRAMMABLE.
8. HEATING SYSTEM CONTROLS MUST BE CAPABLE TO BEING SET TO AUTOMATICALLY RESTART AND
TEMPORARILY OPERATE THE SYSTEM TO MAINTAIN TEMPERATURES ABOVE AN ADJUSTABLE HEATING SETPOINT AT LEAST 10° F BELOW THE OCCUPIED HEATING SETPOINT. COOLING SYSTEM CONTROLS MUST BE CAPABLE OF BEING SET TO AUTOMATICALLY RESTART AND TEMPORARILY OPERATE THE MECHANICAL
COOLING SYSTEM AS REQUIRED TO MAINTAIN TEMPERATURES BELOW AN ADJUSTABLE COOLING
SETPOINT AT LEAST 5° F ABOVE THE OCCUPIED COOLING SET POINT OR TO PREVENT HIGH SPACE
HUMIDITY LEVELS.
10. HVAC SYSTEMS MUST BE BALANCED IN ACCORDANCE WITH ACCEPTED PRACTICE.
11. EXHAUST FAN OUTLET MAY NOT BE WITHIN 10 FEET FROM ANY MECHANICAL AIR INTAKE.
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CODE SUMMARY:
STATE BUILDING ELEC. MECH. PLUMB. ACCESS. ENERGY
SC 2021 IBC W/ SC AMENDS 2020 NEC
w/SC AMENDS
2021 IMC
w/SC AMENDS
2018 IPC
w/SC AMENDS
2009 IECCANSI A117.1-2017
FIRE
2021 IFC
w/SC AMENDS
168 WEST LONGLEAF DR
CONSULTING ENGINEER
SYLVESTER, GA 31791
WALTER E. WOOD, P.E.
W.E.W.
SC PE LIC #: 34180
VALID
March 5, 2025
DESIGNED AND SITE INSTALLED BY OTHERS, SUBJECT TO
FLOOR AREA, AND AN 18" x 24" MINIMUM CRAWL SPACE
ACCESS, SITE INSTALLED BY OTHERS, SUBJECT TO LOCAL
1 SQUARE FOOT NET VENT AREA PER 1/150th OF THE
FOUNDATION ENCLOSURE (WHEN PROVIDED) MUST HAVE
HANDICAP RAMP(S), STAIR(S), AND HANDRAILS ARE TO BE
JURISDICTION AND APPROVAL
LOCAL JURISDICTION AND APPROVAL.
2.)
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CONSULTING ENGINEER
SYLVESTER, GA 31791
WALTER E. WOOD, P.E.
W.E.W.
SC PE LIC #: 34180
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NOTE: ALL HEIGHTS SPECIFIED A.F.F.
(ABOVE FINISHED FLOOR) ARE
MEASURED TO THE TOP OF
THE OBJECT OR ITEM.
NOTE: ALL walls that do not go to the underside of the roof deck must be braced.
168 WEST LONGLEAF DR
CONSULTING ENGINEER
SYLVESTER, GA 31791
WALTER E. WOOD, P.E.
W.E.W.
SC PE LIC #: 34180
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168 WEST LONGLEAF DR
CONSULTING ENGINEER
SYLVESTER, GA 31791
WALTER E. WOOD, P.E.
W.E.W.
SC PE LIC #: 34180
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CONSULTING ENGINEER
SYLVESTER, GA 31791
WALTER E. WOOD, P.E.
W.E.W.
SC PE LIC #: 34180
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168 WEST LONGLEAF DR
CONSULTING ENGINEER
SYLVESTER, GA 31791
WALTER E. WOOD, P.E.
W.E.W.
SC PE LIC #: 34180
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168 WEST LONGLEAF DR
CONSULTING ENGINEER
SYLVESTER, GA 31791
WALTER E. WOOD, P.E.
W.E.W.
SC PE LIC #: 34180
STEEL NOTES:
1. UNLESS OTHERWISE SPECIFIED, ALL STEEL MUST COMPLY WITH
ASTM A36, YIELD STRENGTH-36 KSI Fyb= 80 KSI
2. ALL LAG SCREWS MUST COMPLY WITH ANSI/ASME STANDARD
B.18.2.1 Fyb=60 KSI
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SIDEWALL OVERHANG DETAILENDWALL OVERHANG DETAIL
168 WEST LONGLEAF DR
CONSULTING ENGINEER
SYLVESTER, GA 31791
WALTER E. WOOD, P.E.
W.E.W.
SC PE LIC #: 34180
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