00074 QUESTIONS FOR CLARIFICATION 7.13.09.doc

QUESTIONS FOR CLARIFICATION

Question:

AIR EXCHANGE

THE SOUTHERN AND THE NORTHERN ACCESSIBLE UNITS STATES TWO VALUES FOR THE

WHOLE HOUSE VENTILATION SYSTEM 50-90 CFM AND 50-75 CFM. WHICH IS CORRECT?

Answer:

Min. 50-75 CFM is required. Note: please include in your proposal the continuous hourly exchange rate calculated by an engineer.

Question:

CONNECTIONS

CALLS FOR 5/16” X 3” FULLY THREADED LAGS.

CAN FASTEC 9mm X 76mm LISTED LAGS BE USED?

Answer:

Please clearly explain, detailed, how your approach meets or exceeds the requirements of this solicitation.

Question:

FLOOR DECKING

CALLS FOR APPROVED SEALED NON EMITTING PLYWOOD. WHAT IS APPROVED SEALED?

Answer:

Please consult with your third party IH.

Question:

CALLS FOR 23/32” PLYWOOD.CAN OSB WHICH IS GREEN APPROVED BY NAHB RESEARCH CENTER BE USED IN PLACE OF PLYWOOD FOR THE FLOOR DECKING?

Answer:

Please clearly explain, detailed, how your approach meets or exceeds the requirements of this solicitation. Note: Please include the MSDS for this product with your submission. Also, the unit still has to pass the IAQ test for acceptance.

Question:

EXTERIOR WALLS

CALLS FOR 3/8” MIN. STRUCTURAL RATED SHEATHING. WILL MATERIALS 3/8” MIN. THICK MEETING WIND ZONE 3 REQUIREMENTS CLASSIFY AS STRUCTURAL RATED?

Answer:

Please clearly explain, detailed, how your approach meets or exceeds the requirements of this solicitation.

Question:

AIR SUPPLY DUCTWORK STATES A PRESSURE TEST SHALL BE CONDUCTED BEFORE ACCEPTANCE OF THE UNIT.WILL EACH HOME REQUIRE TESTING OR JUST THE “CLASS” OF HOMES?

Answer:

Each home requires testing.

Question:

BOTTOM BOARD

CALLS FOR 20 MIL MIN. FOR PLASTIC MATERIALS. CAN MULTIPLE LAYERS OF PLASTIC MATERIALS BE USED TO MEET THE 20 MIL MIN. REQUIREMENT?

Answer:

Please clearly explain, detailed, how your approach meets or exceeds the requirements of this solicitation.

Question:

HEATING AND COOLING SYSTEM

STATES SHALL HAVE A MIN. AIR EXCHANGE RATE OF 0.35. THE AIR EXCHANGE SECTION CALL FOR .05 MIN. CONTINUOUS MECHANICAL AIR EXCHANGE PER HOUR. WHICH IS CORRECT?

Answer:

The requirement for the air exchange (outside air in and inside air out) is 35 percent per hour, continuously.

Question:

AIR CONDITIONER

SAYS AIR CONDITIONER MUST BE COMPLETELY INSTALLED AT THE PRODUCTION FACILITY AND ALSO SAYS MUST BE PROVIDED WITH THE HOME. IS UNIT PROVIDED OR INSTALLED?

Answer:

Please clearly explain, detailed, how your approach meets or exceeds the requirements of this solicitation. The unit must have an AC.

Question:

VENTILATION(BATH)

CALLS FOR BATH EXHAUST FAN TO EXHAUST 50CFM MIN. TO THE OUTSIDE MEASURED FLOW AS INSTALLED. WILL EACH HOME REQUIRE TESTING OR JUST THE “CLASS” OF HOMES?

Answer:

YES

Question:

THIS SECTION STATES THERE MUST BE A WHOLE HOUSE VENTILATION SYSTEM THATSUPPLIES 50-90 CFM OF AIR. THIS DOES NOT AGREE WITH THE AIR EXCHANGE SECTION THAT STATES 50-75 CFM. WHICH IS CORRECT?

Answer:

Min. 50-75 CFM is required. Note: please include in your proposal the continuous hourly exchange rate calculated by an engineer.

Question:

PLUMBING SYSTEM

STATES THAT THE MAIN WATER SUPPLY PIPE TO BE CPVC OR PEX AND ALL CONNECTIONS FROM THE DISTRIBUTION LINES TO THE FIXTURE IT SUPPLIES SHALL BE 3/8” COPPER WITH BRASS CONNECTORS OR APPROPRIATE. ARE CPVC/PEX LINE AND CONNECTORS CONSIDERED APPROPRIATE CONNECTIONS FROM THE DISTRIBUTION LINES?

Answer:

Please clearly explain, detailed, how your approach meets or exceeds the requirements of this solicitation Question:

SHOWER-NON ACCESSIBLE UNITS

STATES WHEN FACING THE SHOWER THE FAUCET WILL BE ON THE RIGHT HAND SIDE. MAY THE FAUCET BE LOCATED ON THE LIFT HAND SIDE? LOCATED ON THE LEFT SIDE MAKES ACCESS TO THE FAUCET CONNECTIONS MORE ACCESSIBLE FOR MAINTENANCE.

Answer:

YES

Question:

WALLS

PAPER/VINYL COVERED GYPSUM NOT PERMITTED. DOES THIS INDICATE TAPE/TEXTURE REQUIRED? DOES THIS INDICATE PAPERLESS GYPSUM WALLBOARD? PLEASE EXPLAIN IN MORE DETAIL.

Answer:

Products other than Vinly/Paper gypsum may be used. Exception, commercial grade sheetrock, approved by your third party IH, is allowed. Please submit MSDS with proposal.

Question:

FLOOR COVERING

STATES HEAT DUCT OPENINGS TO BE COVERED WITH METAL REGISTERS. THIS APPEARS TO INDICATE THE HEATING DUCT TO BE LOCATED IN THE FLOOR. THE AIR CONDITIONER SECTION STATES THE SUPPLY DUCTS TO BE LOCATED IN THE CEILING. MUST HOME HAVE THE HEATING DUCTS IN THE FLOOR AND THE COOLING DUCTS LOCATED IN THECEILING OR CAN THE HEATING AND COOLING BOTH BE LOCATED IN THE CEILING?

Answer:

Both must be located in the ceiling.

Question:

GENERAL/INTERIOR COVERING

IN THE GENERAL SECTION IT STATES “SAFE COMMERCIAL GRADE SHEETROCK IS ALLOWED” WHAT IS CLASSIFIED COMMERCIAL GRADE?

Answer:

Please consult with the industry and provide documented commercial grade material letter from provider with proposal.

Question:

IN THE INTERIOR COVERING SECTION IT STATES INDUSTRY STANDARD. WHAT IS REQUIRED COMMERCIAL GRADE OR INDUSTRY STANTARD?

Answer:

Commercial grade