FA520524R00010003_Atch1_Addendum No 1_11Mar24.pdf

ADDENDUM No. 1

FOR

PROJECT QKKA 20-4002

REPAIR JNCO HOMES, 29 UNITS (B221, 712, 716, 718, 723, 812, 817, 818)

MISAWA AIR BASE, JAPAN

11 March 2024

The project scope of work is amended to provide the following changes:

1. Drawings

a. Drawing G-003: Add new sheet PH-E-602 to index of drawings.

i) 1 a: Added new sheet.

b. Drawing 3B-H-102: Add ACM item 4 to Unit C 2nd Floor Bath 2.

i) 1 a: Add missing location for asbestos item 4.

c. Drawing 3B-H-103: Correct location ACM Item 1 from Unit C to Unit B Family Room.

i) 1 a: Correct location of ACM Item 1 from Unit C to Unit B Family Room.

d. Drawing 3B-H-105: Add location of ACM Item 2 to Unit A in 2nd Floor Hallway and

Unit B 1st Floor Hallway. Delete ACM Item 2 from Unit A 1st Floor Living Room. Add

ACM Item 6 to 2nd Floor Closet and Hall.

i) 1 a: Update and revise locations of ACM Item 2 and 6.

e. Drawing 3B-C-104: Add tree removal for electrical site work.

i) 1 a-b: Add tree removal.

f. Drawing 3B-C-124: Add electrical work for B822 transformer.

i) 1 a: Add electrical work for transformer.

Attachment 1 to

FA520524R00010003

ii) 1 b: Revise notes.

g. Drawing A-001: Add abbreviation for SOLID CORE WOOD DOOR (SCWD).

i) 1 a: New abbreviation.

h. Drawing A-002: Revise demolition keynote 17. Add demolition keynote 17A.

i) 1 a: Edited demolition keynote.

ii) 1 b: Added demolition keynote.

i. Drawing 3B-AD101: Revise demolition keynote 17.

j. Drawing 3B-AD102: Revise demolition keynote 17.

k. Drawing 3B-A-312: Add master bedroom closet shelf detail and linen shelving detail.

i) 1 a: New closet shelving details.

l. Drawing 3B-A-404: Add breathable tile CT-3 to elevation.

i) 1 a: Added CT-3 to elevation.

m. Drawing 3B-A-408: Delete renovation keynote N17. Add callout to Detail 1/3B-A-312.

i) 1 a-c: Removed renovated keynote.

ii) 1 d: Added detail callout.

n. Drawing 3B-A-409: Delete keynote N17. Revise closet shelf elevation.

i) 1 a-b: Removed keynote.

ii) 1 c: Edited closet shelf.

o. Drawing 3B-A-410: Delete keynote N17. Revise closet shelf elevation.

i) 1 a-b: Removed keynote.

ii) 1 c: Edited closet shelf.

p. Drawing 3B-A-412: Delete renovation keynote N17. Add callout to Detail 2/3B-A-312.

i) 1 a-b: Removed renovated keynote.

ii) 1 c: Added detail callout.

q. Drawing 3B-A-505: Add pipe penetration detail.

i) 1 a: Added missing detail.

r. Drawing 3B-A-601: Revise door abbreviation from SDCW to SCDW.

i) 1 a: Edited door abbreviation.

s. Drawing 3B-A-605: Delete cedar for WD-1 Hardwood.

i) 1 a: Removed cedar from drawing.

t. Drawing AD101: Add demolition keynote 17A. Revise demolition keynote on floor plan. Revise flooring limits and type. Add demolition keynote 5 near Powder Room door.

i) 1 a: New demolition keynote.

ii) 1 b-d: Revised demolition keynote.

iii) 1 e: Revised flooring limits and type.

iv) 1 f: Added demolition keynote.

u. Drawing A-101: Delete keynote N47. Add detail callout for Closet 2 and 4. Revise door number for Fire Riser Enclosure room.

i) 1 a: Removed keynote.

ii) 1 b-c: Added detail callout.

iii) 1 d: Edited door number.

v. Drawing A-103: Revise legend note. Add ceiling access panel size. Add ceiling heights.

i) 1 a: Revised legend note.

ii) 1 b-p: Ceiling access panel size indicated.

iii) 1 q-r: Added ceiling heights.

w. Drawing A-412: Added basis of design notes for roof canopy and snow melting heating wire.

i) 1 a: Added basis of design notes.

x. Drawing A-501: Add Detail 5/A-501 TYPICAL ROOF DETAIL ISOMETRIC.

i) a: New detail

y. Drawing A-601: Add painted finish for EXT FIELD and METAL DOORS. Revise floor finish for Closet 1 and 2. Revise door type for D-404 and D-405. Delete cedar for WD-2

Hardwood.

i) 1 a-b: Added painted finish.

ii) 1 c: Edited floor finish.

iii) 1 d: Edited door type.

iv) 1 e: Removed cedar from drawing.

z. Drawing 3B-SD-101: Delete removal of concrete step and keynote 5.

i) 1 a: Removal of keynote.

aa. Drawing 3B-S-101: Revise concrete step configuration to match architectural. Delete new concrete step and keynote 4.

i) 1 a: Revision of concrete step configuration and removal of keynote.

bb. Drawing 3B-S-102: Add section symbols with references to frame elevations

A3/3B-S-103 and A5/3B-S-103.

i) 1 a: Added section marks.

cc. Drawing SD-101: Revised foundation configuration for patio.

i) 1 a: Revised foundation configuration.

dd. Drawing S-101: Revised foundation configuration for patio.

i) 1 a: Revised foundation configuration.

ee. Drawing P-001: Add Reduced Pressure Backflow Preventer (RPBFP) to Plumbing

Legend and Abbreviations.

i) 1 a: Add RPBFP.

ff. Drawing 3B-PD101: Abandon cold water (CW) piping below concrete step.

i) 1 a: Abandon CW piping below concrete step.

gg. Drawing 3B-PD102: Abandon cold water (CW) piping below concrete step.

hh. Drawing 3B-P-101: Add abandoned CW piping below concrete step.

ii. Drawing 3B-P-102: Add abandoned CW piping below concrete step.

jj. Drawing P-101: Add vent for clothes washer. Add reduced pressure backflow preventer

(RPBFP) in Mechanical Room. Clarify HW system controls. Revise plumbing note P11.

i) 1 a: Add vent for clothes washer.

ii) 1 b: Add RPBFP.

iii) c: Clarify HW system controls.

kk. Drawing P-501: Revise Water Heater Piping Detail. Add RPBFP and check valve. Add notes to clarify HW system controls.

ii) 1 b: Clarify HW system controls.

ll. Drawing P-601: Add vent for clothes washer on Sanitary Piping Diagram.

i) 1 a: Add vent for clothes washer.

mm. Drawing P-602: Add RPBFP on Water Piping Diagram.

nn. Drawing 3B-M-101: Delete unit heater for fire riser enclosure. Add air conditioning for fire riser enclosure, including heat pump and fan coil unit. Revise location of EMCS panel.

i) 1 a: Add Fire Riser Enclosure AC.

oo. Drawing 3B-M-103: Delete unit heater for fire riser enclosure. Add air conditioning for fire riser enclosure, including heat pump and fan coil unit.

pp. Drawing 3B-M-105: Delete unit heater for fire riser enclosure. Add air conditioning for

qq. Drawing 3B-M-107: Delete unit heater for fire riser enclosure. Add air conditioning for

rr. Drawing 3B-M-109: Delete unit heater for fire riser enclosure. Add air conditioning for

ss. Drawing 3B-M-111: Delete unit heater for fire riser enclosure. Add air conditioning for

tt. Drawing 3B-M-113: Delete unit heater for fire riser enclosure. Add air conditioning for

uu. Drawing 3B-M-301: Add heat pump for fire riser enclosure air conditioning. Revise location of EMCS panel.

x. Drawing 3B-M-302: Add heat pump for fire riser enclosure air conditioning.

ww. Drawing 3B-M-303: Add heat pump for fire riser enclosure air conditioning.

xx. Drawing 3B-M-304: Add heat pump for fire riser enclosure air conditioning. Revise

yy. Drawing 3B-M-305: Add heat pump for fire riser enclosure air conditioning. Revise

zz. Drawing 3B-M-306: Add heat pump for fire riser enclosure air conditioning.

aaa. Drawing 3B-M-307: Add heat pump for fire riser enclosure air conditioning.

bbb. Drawing 3B-M-601: Delete Electric Wall Heater Schedule. Add Single-Zone Split-

System Wall-Mounted Unit with Heat Pump Schedule.

ccc. Drawing PH-MP101: Add heat trace for outdoor EDHWS and EDHWR piping. Add mechanical note M7.

i) 1 a: Indicate heat trace requirement.

ddd. Drawing PH-M-501: Add heat trace for outdoor EDHWS and EDHWR piping.

eee. Drawing PH-M-601: Add Pipe Heat Tracing Schedule.

fff. Drawing M-101: Delete unit heater for fire riser enclosure. Add air conditioning for ggg. Drawing M-301: Add heat pump for fire riser enclosure air conditioning.

hhh. Drawing M-601: Delete Electric Wall Heater Schedule. Add Single-Zone Split-

System Wall-Mounted Unit with Heat Pump Schedule.

iii. Drawing E-001: Add “D=DIMMER” to description for single pole switch. Add electrical symbols.

i) 1 a: Addition to symbol list.

ii) 1 b: Addition of site electrical symbols..

jjj. Drawing E-002: Add Electrical General Note 9,

i) 1 a: Revision to electrical general notes.

kkk. Drawing ES102: Add site work for new transformer for Building 822.

i) 1 a: Addition of site work for new transformer.

lll. Drawing 3B-E-101: Revise location of EMCS panel.

i) 1 a-b: Revision to EMCS panel location.

mmm. Drawing 3B-E-201: Delete unit heater. Add heat pump and fan coil unit for Fire

Riser Enclosure air conditioning. Revise location of EMCS panel.

i) 1 a: Addition of split system AC for fire riser closet.

nnn. Drawing 3B-E-502: Revise length of ground rod from 3048 mm to 3000 mm.

i) 1 a: Revision to ground rod size.

ooo. Drawing 3B-E-503: Revise telecom diagram and notes. Revise conduit sizes for telecom system. Revise pull box IP rating from IP66 to IP44.

i) 1 a: Revision to telecom diagram.

ii) 1 b: Revision to conduit sizes for telecom system.

iii) 1 c: Revision to pull box IP rating.

ppp. Drawing 3B-E-505: Revise telecom outlet details.

i) 1 a: Revision to telecom outlet details.

qqq. Drawing 3B-E-506: Revise fixture types.

i) 1 a: Fixture type A revision.

ii) 1 b: Fixture type A1 revision.

iii) 1 c: Fixture type B revision.

iv) 1 d: Fixture type G revision.

rrr. Drawing 3B-E-601: Revise Main Distribution Panel from 208Y/120V to 210/121V.

i) 1 a: Revision to panel characteristics.

sss. Drawing 3B-E-701: Revise panel schedule voltage, circuit breaker, KVA, description, and demand amps for Main Distribution Panel. Revise panel schedule voltage for New

Panel “A” Thru “D” 3 Bedroom Units.

i) 1 a: Revision of panel schedule.

ttt. Drawing E-201: Delete unit heater. Add heat pump and fan coil unit for Fire Riser

Enclosure air conditioning.

i) 1 a: Addition of split system AC for fire riser closet.

uuu. Drawing E-202: Add dimming switches. Add new doorbell devices.

i) 1 a: Addition of dimming switches.

ii) 1 b: Addition of new doorbell devices.

xv. Drawing E-501: Revise telecom outlet detail. Revise interior unit panelboard circuit number from 20 to 24. Revise length of ground rod from 3048 mm to 3000 mm.

i) 1 a: Revision to telecom outlet detail.

ii) 1 b: Revision to circuit number.

iii) 1 c: Revision to ground rod size.

www. Drawing E-503: Revise fixture types.

ii) 1 a: Fixture type A revision.

ii) 1 b: Fixture type A1 revision.

iii) 1 c: Fixture type B revision.

iv) 1 d: Fixture type G revision.

xxx. Drawing E-602: Revise Panel “L-1.” Add Panel “L-2.” Revise breaker from

2P50AF/15AT to 1P50AF/15AT. Revise Panel “M-P” characteristics from 208Y/120V to 210/121V (208Y/120V).

i) 1 a: Addition of Panel L-2.

ii) 1 b: Revision to breaker.

iii) 1 c: Revision to panel characteristics.

yyy. Drawing E-701: Revise voltage, KVA, circuit breaker, description, demand KVA, and demand amps for Panel “M-P.” Revise voltage for Panel “M-H.” Revise voltage for

Panel “L-1.”

i) 1 a: Revision of panel schedule.

zzz. Drawing PH-E-201: Add Panel “P-1.” Add heat trace and receptable. Revise circuiting. Demolish existing manual transfer switch. Revise HWU characteristics.

i) 1 a: Panel P-1 located on drawings.

ii) 1 b: Addition of heat trace, receptacle, and re-circuiting.

iii) 1 c: Demolition of manual transfer switch.

iv) 1 d: Correction of HWU characteristics.

aaaa. Drawing PH-E-501: Add duct sections “C” and “D.” Revise length of ground rod from 3048 mm to 3000 mm. Add electrical manhole detail.

i) 1 a: Addition of duct sections.

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ii) 1 b: Revision to ground rod size.

iii) 1 c: Addition of manhole detail.

bbbb. Drawing PH-E-601: Revise B822 one-line diagram. Add callout for Panel P-1 new work.

i) 1 a: Revision to one line diagram.

ii) 1 b: Call out for Panel P-1 new work.

cccc. Drawing PH-E-602: Add new drawing with one-line diagram and details for new

T822 transformer.

i) 1 a: Addition of new transformer T822 one-line and details.

ii) 1 b: Addition of new sheet.

dddd. Drawing PH-E-701: Revise KVA, description, circuit breaker, demand KVA, demand amps, and notes for Main Distribution Panel “P822.” Add Panel P-1 elevation with list of breakers to be replaced.

i) 1 a: Revisions to panel schedule.

ii) 1 b: Addition of breakers to be replaced.

eeee. Drawing ET201: Add voice outlet and cable. Remove conduit and cable between

EMCS cabinet and telecommunication cabinet.

i) 1 a: Addition of voice outlet.

ii) 1 b: Removal of conduit and cable.

ffff. Drawing EM002: Add quantity of HW sensors.

i) 1 a: Clarify quantity of HW sensors.

gggg. Drawing EM004: Add quantity of HW sensors.

hhhh. Drawing 3B-EM101: Revise location of EMCS panel.

iv. Drawing 3B-EM104: Revise location of EMCS panel.

jjjj. Drawing 3B-EM105: Revise location of EMCS panel and space temperature sensor.

kkkk. Drawing 3B-EM501: Add quantity of HW sensors.

llll. Drawing 3B-EM502: Add hot water temperature sensors.

mmmm. Drawing 3B-EM503: Add quantity of HW sensors.

nnnn. Drawing 3B-EM504: Add quantity of HW sensors.

oooo. Drawing PH-EM503: Revise quantity of hardware points and total points.

i) 1 a: Revise to quantity 1 water meter.

pppp. Drawing EM501: Add Building 221 EMCS Architecture Diagram and EMCS

Cabinet detail.

i) 1 a: Added B221 EMCS panel details.

2. Specifications

a. Section 00 00 00 Table of Contents:

i) 1 a: Add Section 26 12 19.

ii) 1 b: Replace Section 33 71 02 with revised Section 33 71 12 in its entirety.

b. Section 01 00 00:

i) 1 a: Revise Paragraph 1.3.4 from 240 days to 300 days.

c. Section 06 20 00:

i) 1 a: Delete reference ALSC PS 20.

ii) 1 b: Delete references NHLA Rules.

iii) 1 c: Delete reference NHLA Rules, NELMA Grading Rules, and SPIB 1003.

iv) 1 d: Delete reference WCLIB 17.

v) 1 e: Delete reference ALSC PS 20.

vi) 1 f: Revise paragraph to “Provide in accordance with AWPA U1 Use Category

System Tables unless otherwise specified herein or as indicated on the drawings.”

vii) 1 g: Revise 1st sentence to “Provide white ash, Grade A or better (no know) as indicated on the drawings.”

viii) 1 h: Delete “Table of Grades for Wood to Receive Paint Finish.”

ix) 1 i: Revise 1st sentence to “Provide species and grades for all fascia and trim, including exterior door and window casings, in accordance with AWPA U1 Use

Category System Tables or as indicated on the drawings.”

d. Section 08 11 13:

i) 1 a: Revise paragraph 2.2 from polyurethane foam to polystyrene foam.

ii) 1 b: Revise paragraph 2.4 U-Factor from 1.12 to a maximum of 3.41 Watt per square meter by Kelvin. Add minimum R-Value of 0.29 square meter by

Kelvin per Watt.

iii) 1 c: Revise paragraph 2.5 U-Factor from 1.12 to a maximum of 3.41 Watt per square meter by Kelvin. Add minimum R-Value of 0.29 square meter by

Kelvin per Watt.

e. Section 08 71 00:

i) 1 a: Revise Hardware Set HW-2 for Unit Entry Door – Exterior, Door Bottom from R3A535 to R3B434.

f. Section 09 51 00:

i) 1 a: Revise paragraph 2.3 access panel size from “not less than 600 by 600 mm” to “not less than 600 by 600mm for 3-Bedroom Units” and “not less than

450 by 340 mm for B221.”

g. Section 22 00 00:

i) 1 a: Add requirement for reduced pressure principle backflow preventer to be approved product of quality certification center of JWWA.

h. Section 23 05 15:

i) 1 a: Add reference JIS C 3605.

ii) 1 b: Add paragraph 2.1 ELECTRICAL HEAT TRACING.

iii) 1 c: Add paragraph 3.1 HEAT TRACE CABLE INSTALLATION.

i. Section 26 12 19: Add new Section 26 12 19 THREE-PHASE PAD-MOUNTED

TRANSFORMER.

j. Section 26 20 00:

i) 1 a: Add reference JIS C 3102.

ii) 1 b: Add IP23C under paragraph 2.3 OUTLET BOXES AND COVERS.

iii) 1 c: Add rust-proof coated sheet steel and IP23C under paragraph 2.4

CABINETS, JUNCTION BOXES, AND PULL BOXES.

iv) d: Add JIS C 3102 under paragraph 2.5.4 Bond Conductors.

v) 1 e: Add “for nonmetallic boxes and fittings, other suitable plates may be provided.” Replace “satin finish stainless steel or brushed finished aluminum” with “nylon or lexan.”

vi) 1 f: Add IP23C under paragraph 2.8.2 Disconnect Switches.

vii) 1 g: Revise from “heavy” duty to “extra” duty.

viii) h: Delete “lockable” under paragraph 2.9.2 Weatherproof Receptacles.

ix) 1 i: Revise from “3050” mm to “3000” mm.

k. Section 33 71 02: Replace Section 33 71 02 UNDERGROUND ELECTRICAL

DISTRIBUTION with attached revised Section 33 71 02 UNDERGROUND

ELECTRICAL DISTRIBUTION.

3. Submittal Register

a. Page 37 of 48, Section 26 12 19:

i) 1 a: Add submittals for Section 26 12 19.

b. Page 46 of 48, Section 33 71 02:

i) 1 b: Add submittals “High voltage cable,” “High voltage cable joints,” and

“High voltage cable terminations” under SD-03 Product Data.

c. Page 47 of 48, Section 33 71 02:

i) 1 c: Add submittal “Live end caps” under SD-03 Product Data.

Attachments:

1. Revised Drawings:

General: (1) G-003

Hazardous Material: (3) 3B-H-102, 3B-H-103, 3B-H-105

Civil: (2) 3B-C-104, 3B-C-124

Architectural: (19) A-001, A-002, 3B-AD101, 3B-AD102, 3B-A-312, 3B-A-404, 3B-A-408, 3B-A-409, 3B-A-410, 3B-A-412, 3B-A-505, 3B-A-601, 3B-A-605, AD101, A-101, A-103, A-412, A-501, A-601

Structural: (5) 3B-SD-101, 3B-S-101, 3B-S-102, SD-101, S-101

Plumbing: (9) P-001, 3B-PD101, 3B-PD102, 3B-P-101, 3B-P-102, P-101, P-501, P-601, P-602

Mechanical: (21) 3B-M-101, 3B-M-103, 3B-M-105, 3B-M-107, 3B-M-109, 3B-M-111, 3B-M-113, 3B-M-301, 3B-M-302, 3B-M-303, 3B-M-304, 3B-M-305, 3B-M-306, 3B-M-307, 3B-M-601, PH-MP101, PH-M-501, PH-M-601, M-101, M-301, M-601

Electrical: (23) E-001, E-002, ES102, 3B-E-101, 3B-E-201, 3B-E-502, 3B-E-503, 3B-E-505, 3B-E-506, 3B-E-601, 3B-E-701, PH-E-201, PH-E-501, PH-E-601, PH-E-602, PH-E-701, E-201, E-202, E-501, E-503, E-602, E-701, ET201

EMCS: (11) EM002, EM004, 3B-EM101, 3B-EM104, 3B-EM105,

3B-EM501, 3B-EM502, 3B-EM503, 3B-EM504,

PH-EM503, EM501

2. Revised Specification Sections: 00 00 00 Table of Contents, 01 00 00, 06 20 00, 08 11 13, 08 71 00, 09 51 00, 22 00 00, 23 05 15, 26 12 19, 26 20 00, and 33 71 02

3. Revised Submittal Register