21B5500_A0002_Atch(1)_Pre-Bid_Inquiries.pdf

SOLICITATION NO. N4008421B5500

PROJECT TITLE/LOCATION: ROOFING AND EXTERIOR PAINTING IDIQ CONTRACT FOR VARIOUS PROJECTS AT U.S. MARINE CORPS AIR STATION IWAKUNI, JAPAN

GOVERNMENT PRE‐BID INQUIRY FORM Amendment 0002 Attachment (1)

Page Section Para.

1 01‐Jun‐21 55 PAINTING

SUPPLEMENTAL

EXPLANATION OF

WORK

151‐152 The specification stated "Prepare existing lead‐containing surface with type 3('3‐SHU KEREN) or solvent cleaning to be painted,… Is it acceptable to use the synthetic detergent for solvent cleaning? Please advise.

2 01‐Jun‐21 55 PAINTING

SUPPLEMENTAL

EXPLANATION OF

WORK

153 The specification stated "Prepare existing asbestos‐containing surface with solvent cleaning to be painted….." Is it acceptable to use the synthetic detergent for solvent cleaning? Please advise.

3 01‐Jun‐21 12,16,28 ROOFING AND

PAINTING SCHEDULE

OF INDEFINITE

QUANTITY WORK

A003 B003 C003

ROOFING AND PAINTING SCHEDULE OF INDEFINITE QUANTITY

WORK‐"A","B" &"C" 003 stated " Remove existing asbestos contained existing mineral surfaced build‐up roofing, various sheet waterproof and urethane waterproof coating and EST QTY is 400 SM. Is there minimum qty of work stated in 003 per order? Please advise.

4 01‐Jun‐21 6,18,30 ROOFING AND

PAINTING SCHEDULE

OF INDEFINITE

QUANTITY WORK

A032 B032 C032

ROOFING AND PAINTING SCHEDULE OF INDEFINITE QUANTITY

WORK‐"A","B" &"C" 032 stated " Remove existing asbestos contained asphalt single roofing & asphalt roofing felt and provide new asphalt single roofing & asphalt roofing felt and EST QTY is 100SM. Is there minimum qty of work stated in 032 per order? Please advise.

5 01‐Jun‐21 14,26,38 ROOFING AND

PAINTING SCHEDULE

OF INDEFINITE

QUANTITY WORK

A149 B149 C149

ROOFING AND PAINTING SCHEDULE OF INDEFINITE QUANTITY

WORK‐"A","B" &"C" 149 stated " Replace existing ACB with new non‐ACB and EST Qty is 200SM. Is there minimum qty of work stated in 149 per order? Please advise.

6 01‐Jun‐21 14,26,38 ROOFING AND

PAINTING SCHEDULE

OF INDEFINITE

QUANTITY WORK

A151 B151 C151

ROOFING AND PAINTING SCHEDULE OF INDEFINITE QUANTITY

WORK‐"A","B" &"C" 151 stated " Lead‐containing surface preparation with sspcw type3 and EST QTY is 200SM. Is there minimum qty of work stated in 151 per order? Please advise.

7 01‐Jun‐21 47 ROOFING

SUPPLEMENTAL

EXPLANATION OF

WORK

48 ROOFING SUPPLEMENTAL EXPLANATION OF WORK 048

stated"Remove existing alumiunum coping and provide…..As shown in the attached sketches A‐6,A‐7,A‐10, and A‐11."

However, Drawing A‐10 showed existing PC concrete coping to be removed. Cost for aluminium coping removal and PC concrete coping removal can not be estimated as same cost.

Therefore, please provide the QTY of PC concrete coping.

8 03‐Jun‐21 Page 42 of"Atch(1)_Roofing _and_Painting_IDI Q_Contract_Spec_ 05May 2021

Item #001 There are two different methods, mineral surface built‐up roofing and urethans waterproof coating in the same cost.

Please tell us the ratio or the number per square meter to estimate them in the same cost.

Amend No.

Question No.

Date Received

REFERENCE

QUESTION GOVERNMENT RESPONSE

PROJECT TITLE/LOCATION: ROOFING AND EXTERIOR PAINTING IDIQ CONTRACT FOR VARIOUS PROJECTS AT U.S. MARINE CORPS AIR STATION IWAKUNI, JAPAN

GOVERNMENT PRE‐BID INQUIRY FORM Amendment 0002 Attachment (1)

Page Section Para.

Amend No.

Question No.

Date Received

REFERENCE

QUESTION GOVERNMENT RESPONSE

9 03‐Jun‐21 42 Item#002 Please tell us thickness of existing insulation material due to vary disposal costs.

10 03‐Jun‐21 44‐46 Item#017,018,019,020,021,022,024,,025,026,027,028,029&030 Please tell us heat reflectivity of heat reflected top coating.

11 03‐Jun‐21 44 Item#020 Is it acceptable to provide one‐year workmanship warranty for new polymer modified roofing system?

12 03‐Jun‐21 46 Item#030 Is it acceptable to estimate manufacturer's recommendation size of new mineral surfaced built‐up roofing?

13 03‐Jun‐21 46 Item#039 Please tell us forms and sizes of existing metal roof due to vary prices by forms and sizes.

14 03‐Jun‐21 46 Item#041 Please tell us typical sizes of existing metal roofing fascia & gable due to vary construction expenses by sizes.

15 03‐Jun‐21 46 Item#043&044 Please tell us standard sizes of existing sheet roofing and construction criteria of newly materials.

16 03‐Jun‐21 54 Item#146 Please tell us the number of new glass panes based by types and thickness due to vary prices and construction expenses by types and thickness.

17 03‐Jun‐21 36 Item#100 Please tell us form and size of existing wooden beams because unit is LM.

18 03‐Jun‐21 36 Item#102 Please tell us how many coats of paint on existing steel and galvanized steel framing/ box /casing/door/ window surfaces?

19 03‐Jun‐21 36 Item#103 Please tell us typical sizes of existing wooden framing/ box/ casing/base board/door/ window.

20 03‐Jun‐21 36 Item#104 Please tell us how many coats of paint on existing aluminum panel surfaces.

21 03‐Jun‐21 36 Item#095 Does water cleaning on lead‐free surface mean that Government requires jet water cleaning? (Please tell us criteria of water pressure cleaning.)

PROJECT TITLE/LOCATION: ROOFING AND EXTERIOR PAINTING IDIQ CONTRACT FOR VARIOUS PROJECTS AT U.S. MARINE CORPS AIR STATION IWAKUNI, JAPAN

GOVERNMENT PRE‐BID INQUIRY FORM Amendment 0002 Attachment (1)

Page Section Para.

Amend No.

Question No.

Date Received

REFERENCE

QUESTION GOVERNMENT RESPONSE

22 03‐Jun‐21 37 Item#126 Please tell us finish thickness of water‐proof urethane type floor coating.

23 03‐Jun‐21 37 Item#131 Please tell us standard size of existing metal flashing.

24 03‐Jun‐21 38 Item#132 Please tell us the number based on galvanized steel or FRP separately. Also please tell us existing standard sizes due to vary material costs.

25 03‐Jun‐21 38 Item#133 Please tell us standard size of existing plastic vent cover due to vary prices of aluminum vent.

26 03‐Jun‐21 53 Item#134 Please tell us letter hight of new building number sign.

27 03‐Jun‐21 53 Item#134 Please tell us standard installation hight of new building number sign due to vary installation costs

28 03‐Jun‐21 53 Item#135&137 Please tell us thickness of new die‐cast aluminum letters.

29 03‐Jun‐21 53 Item#138 Please tell us typical distance between new installed LED illumination and existing power panel. If it has a long distance, we will request "lock out".

30 03‐Jun‐21 53 Item#138 Are new LED illumination GFMs or materials provided by contractor? We believe LED illumination are GFMs, but we can't find GFMs in downloaded all attachments.

31 03‐Jun‐21 54 Item#139 Please tell us approximate distance between existing building identification signs and existing power source panel. We can't find it on A‐05 drawing.

32 03‐Jun‐21 47 Item#049 Please tell us standard size of new stainless steel fasteners.

33 03‐Jun‐21 48 Item#062 Please tell us standard size of new stainless mesh.

34 03‐Jun‐21 48 Item#064 Please tell us existing concrete size to estimate plastering work.

35 03‐Jun‐21 48 Item#065 Please tell us existing concrete size to estimate plastering work.

PROJECT TITLE/LOCATION: ROOFING AND EXTERIOR PAINTING IDIQ CONTRACT FOR VARIOUS PROJECTS AT U.S. MARINE CORPS AIR STATION IWAKUNI, JAPAN

GOVERNMENT PRE‐BID INQUIRY FORM Amendment 0002 Attachment (1)

Page Section Para.

Amend No.

Question No.

Date Received

REFERENCE

QUESTION GOVERNMENT RESPONSE

36 03‐Jun‐21 49 Item#080 Is it available to estimate costs to assemble and disassemble of double‐pole scaffolding for B#600 height from ground to roof as standard. This is the biggest cost.

37 03‐Jun‐21 50 & 51 Item#091,092,093 & 094 Please tell us manufacture names and standard sizes of new acrylic skylights because 600x600、900x900 and 1300ｘ1300 skylights will go out of production or be discontinued. There is not shown skylights approved by fire law. Please tell us Government opinion.

38 03‐Jun‐21 52 Item#105,108,113，123，124 Please tell us how many coats of paint Government requires.

This is important for us.

39 07‐Jun‐21 Atch(4) Roofing Schedule, Page 3

030 030: "Provide new mineral surfaced build‐up roofing for maintenance", does this mean deliver the material for maintenance?

40 07‐Jun‐21 Atch(4) Roofing Schedule, Page 3

033 & 034 033 & 034: There is no mention of heat resistant coating in SPEC 07 52 00. Can we assume that it is a heat‐reflective top coat from a waterproofing manufacturer?

41 07‐Jun‐21 Atch(4) Roofing Schedule, Page 3

039 & 040 039 & 040: Is it correct to assume that the metal roof is a folded plate roof? Please show us the shape and sketch.

42 07‐Jun‐21 Atch(4) Roofing Schedule, Page 4

048 048: The width of the aluminum coping is unknown. Can we assume that it is 250mm wide?

43 07‐Jun‐21 Atch(4) Roofing Schedule, Page 4

050 050: The width of the aluminum expansion cover is 450mm and 600mm in the sketch of A‐21 and A‐22. Please indicate the quantity for each. The unit price is very different.

44 07‐Jun‐21 Roofing Supplementary Explanation of Work, 079 Roofing Supplementary Explanation of Work 079: Does surface preparation of lead‐based paint mean removing it?

45 07‐Jun‐21 Atch(4) Roofing Schedule, Page 7

080 080: The unit price of scaffolding materials varies greatly depending on the lease period. Is it correct to assume that the installation period of scaffolding is 365 days (One year)?

46 07‐Jun‐21 Atch(4) Roofing Schedule, Page 8

091, 092, 091, 092, 093: Please indicate the manufacturer and part number of the existing skylight.

47 07‐Jun‐21 Painting Supplementary Explanation of Work, 097 ‐ 125 Line items 008 and 017 indicated in Painting Supplemental Explanation of Work 097‐125 (a) have different contents; can we replace them with 104 and 113? Can we also replace 023 and 045 with 122 and 150 respectively for (b)?

48 07‐Jun‐21 Atch (3) Painting Schedule, Page 11

142 142: We cannot estimate with quantity alone. Please provide us with drawings (sketches) or photographs.

49 07‐Jun‐21 Atch (3) Painting Schedule, Page 11

143 143: We cannot estimate with quantity alone. Please provide us with drawings (sketches) or photographs.

PROJECT TITLE/LOCATION: ROOFING AND EXTERIOR PAINTING IDIQ CONTRACT FOR VARIOUS PROJECTS AT U.S. MARINE CORPS AIR STATION IWAKUNI, JAPAN

GOVERNMENT PRE‐BID INQUIRY FORM Amendment 0002 Attachment (1)

Page Section Para.

Amend No.

Question No.

Date Received

REFERENCE

QUESTION GOVERNMENT RESPONSE

50 07‐Jun‐21 Atch (3) Painting Schedule, Page 11

145 145: We cannot estimate with quantity alone. Please provide drawings (sketches) or photographs.

51 07‐Jun‐21 Atch (3) Painting Schedule, Page 11

146 146: Please indicate the quantity of each type of glass pane.

52 07‐Jun‐21 Atch (3) Painting Schedule, Page 11

147 147: Please indicate the model and part number of lighting fixtures.

53 07‐Jun‐21 Atch (3) Painting Schedule, Page 12

164 164: Are gondola lifts used for loading and unloading of materials? If it is for materials, can we assume that the maximum load is 900 kg or less? Or is it for repairing or cleaning exterior walls by suspending with wires?

54 07‐Jun‐21 Atch (3) Painting Schedule, Page 12, and Painting Supplementary Explanation of Work, 164 In PAINTING SCHEDULE OF INDEFINITE QUANTITY WORK No.

164, the quantity for gondola lift is indicated as ten (10).

However, in Supplementary Explanation of Work No. 164, it is indicated as two (2) gondola lifts. Which is the correct quantity?

55 07‐Jun‐21 Atch (3) Painting Schedule, Page 12

164 164: The unit price of gondolas varies greatly depending on the lease period. Is it correct to assume that the installation period of the gondola lift is 365 days (1 year)?

56 07‐Jun‐21 Atch (3) Painting Schedule, Page 12

165 165: The unit price of scaffolding materials varies greatly depending on the lease period. Is it correct to assume that the installation period of scaffolding is 365 days (1 year)?

57 08‐Jun‐21 If there are multiple Task Orders at the same time, do the QC Manager, SSHO, and Superintendent have to be dedicated to each Task Order? Or can they serve concurrently?

58 10‐Jun‐21 14,26,38,54 ROOFING AND

PAINTING SCHEDULE

OF INDEFINITE

QUANTITY WORK/

PAINTING

SUPPLEMENTARY

EXPLANATION OF

WORK

A142 B142 C142

Specification PAINTING SUPPLEMENTARY EXPLANATION OF WORK 142 stated "Replace existing wooden framing, casing, trim and baseboard etc. with new to match existing. New wood must be same as or similar to existing wood grade". Also, ROOFING AND PAINTING SCHEDULE OF INDEFINITE QUALITY

WORK A142,B142 and C142's Unit is CM(Cubic Meter). Please provide more detailed information about the existing wooden framing, casing, trim and baseboard for proper cost estimations.

PROJECT TITLE/LOCATION: ROOFING AND EXTERIOR PAINTING IDIQ CONTRACT FOR VARIOUS PROJECTS AT U.S. MARINE CORPS AIR STATION IWAKUNI, JAPAN

GOVERNMENT PRE‐BID INQUIRY FORM Amendment 0002 Attachment (1)

Page Section Para.

Amend No.

Question No.

Date Received

REFERENCE

QUESTION GOVERNMENT RESPONSE

59 10‐Jun‐21 14,26,38,54 ROOFING AND

PAINTING SCHEDULE

OF INDEFINITE

QUANTITY WORK/

PAINTING

SUPPLEMENTARY

EXPLANATION OF

WORK

A143 B143 C143

Specification PAINTING SUPPLEMENTARY EXPLANATION OF WORK 142 stated "Replace damaged wooden columns and beams with new ones. New wood must be same as or similar to existing wood grade. Also, ROOFING AND PAINTING SCHEDULE OF INDEFINITE QUALITY WORK A143,B143 and C143's Unit is CM(Cubic Meter).Please provide more detailed information about the existing wooden framing, casing, trim and baseboard for proper cost estimations.

60 11‐Jun‐21 ROOFING SCHEDULE OF

INDEFINITE QUANTITY

WORK

Roof 039.

It is stated to remove existing metal roof and provide new precoated galvanized metal roof, if there is a roof specification or reference drawing, please provide it. Also, would it be acceptable to consider the new precoated galvanized metal as

61 11‐Jun‐21 ROOFING SCHEDULE OF

INDEFINITE QUANTITY

WORK

Roof 040.

As described above, would it be acceptable to consider the new precoated galvanized metal as a color galvanium steel plate?

62 11‐Jun‐21 ROOFING SCHEDULE OF

INDEFINITE QUANTITY

WORK

Roof 063.

It is stated to "remove existing rain gutter & gutter hanger and provide new PVC gutter & stainless gutter hanger". Would it be acceptable to consider that eaves gutters + funnels + hanger are newly installed and "elbow and downspouts" are NOT

63 11‐Jun‐21 ROOFING SCHEDULE OF

INDEFINITE QUANTITY

WORK

Roof 091, 092 and 093.

It is stated to replace existing acrylic skylight with a new one, would it be acceptable to consider that the existing acrylic skylight is only the dome‐shaped part and the frame remains as existing?

64 11‐Jun‐21 PAINTING SCHEDULE O

F INDEFINITE QUANTITY

WORK

Painting 132.

It is stated to newly replace existing GSS and/ or fiber reinforced panel (FRP), however, what product to be replaced with a new one? Due to the price difference between the GSS and FRP, it is not possible to enter an appropriate unit price in

65 11‐Jun‐21 PAINTING SCHEDULE O

F INDEFINITE QUANTITY

WORK

Painting 133.

It is stated to replace plastic vent cover with new aluminum.

Please specify the specifications / size that can beused for estimate.

PROJECT TITLE/LOCATION: ROOFING AND EXTERIOR PAINTING IDIQ CONTRACT FOR VARIOUS PROJECTS AT U.S. MARINE CORPS AIR STATION IWAKUNI, JAPAN

GOVERNMENT PRE‐BID INQUIRY FORM Amendment 0002 Attachment (1)

Page Section Para.

Amend No.

Question No.

Date Received

REFERENCE

QUESTION GOVERNMENT RESPONSE

66 11‐Jun‐21 ROOFING SCHEDULE OF

INDEFINITE QUANTITY

WORK

Painting 138.

It is stated to provide 30 EA (30 places) signboard illuminated with electrical work, however would it be acceptable to consider that there is an existing power supply already connected and controlled to turn on/off automatically?

67 11‐Jun‐21 PAINTING SCHEDULE O

F INDEFINITE QUANTITY

WORK

Painting 142.

It is stated to newly replace existing wooden framing, casing, trim and baseboard. please specify the specification if there is any that can be used for estimate.

68 11‐Jun‐21 PAINTING SCHEDULE O

F INDEFINITE QUANTITY

WORK

Painting 143.

Also for the replacement of damaged wooden columns and beams, please specify the specification if there is any that can be used for estimate.

69 11‐Jun‐21 PAINTING SCHEDULE O

F INDEFINITE QUANTITY

WORK

Painting 145.

Regards to replacing the polycarbonate panel, if there is specification etc. indicating the size of polycarbonate, thickness and shape (whether it has R‐shape ot not), please specify for estimate purpose.

70 11‐Jun‐21 PAINTING SCHEDULE O

F INDEFINITE QUANTITY

WORK

Painting 146.

It is stated to newly replace the existing glass pane in door ot of the window, if there are specifications that can be used to estimate the type and size of the glass, please specify.

71 11‐Jun‐21 PAINTING SCHEDULE O

F INDEFINITE QUANTITY

WORK

Painting 164.

It is stated to provide gondola lift, however would it be acceptable to consider 25t rough terrain crane?

72 11‐Jun‐21 PAINTING SCHEDULE O

F INDEFINITE QUANTITY

WORK

Painting 166.

Does a barricade indicate a "single‐tube barricade" or "type A barricade", or does it require a 1.8m fence? The unit price will change accordingly. Please specify the specification for the estimate.