Revised Scope_Ikego PH5 - Synopsis.pdf

FY24 MCN HY2403 WH and Utilities Revitalization Ikego Townhouse, PH5 SYNOPSIS

SYNOPSIS

GENERAL REQUIREMENTS

GENERAL SCOPE OF WORK

This Contract shall include, but is not limited to the design, demolition, and construction for the full improvement of seventy (70) townhouse units of eleven (11) two-story concrete construction family housing buildings within

Group C, D, and G at CFAY Ikego Detachment, Zushi, Japan. This Contract shall also include, but is not limited to the design, demolition, and construction for improvement of seven (7) mechanical buildings and their associated mechanical piping supporting the townhouses in Groups A, B, C, D, E, F, and G.

Part of Group C’s thirty (30) townhouse family housing units of five (5) buildings include the following:

• Buildings 623, 625, 626, and 640 contain 3-bedroom units. Each unit is comprised of three (3) bedrooms, two and a half (2.5) bathrooms, and measures approximately 148 square meters. Each building consists of 6 units and measures 888 square meters in total.

• Building 624 contains 4-bedroom units. Each unit is comprised of four

(4) bedrooms, two and a half (2.5) bathrooms, and measures approximately 159 square meters. This building consists of 6 units and measures 954 square meters in total.

• NOTICE: 623, 624, and 625 were previously advertised as options under H2202 Whole House

Revitalization Ikego Townhouse Phase 3, CFAY.

Part of Group D’s two (2) townhouse family housing units of one (1) building include the following:

• Building 655 contains 3-bedroom units. Each unit is comprised of three

(3) bedrooms, two and a half (2.5) bathrooms, and measures approximately 148 square meters. This building consists of 2 units and measures 296 square meters in total.

Group G’s thirty-eight (38) townhouse family housing units of five (5) buildings include the following:

• Building 695 contains 4-bedroom units. Each unit is comprised of four

(4) bedrooms, two and a half (2.5) bathrooms, and measures approximately 159 square meters. This building consists of 8 units and measures 1272 square meters in total.

• Building 696 contains 4-bedroom units. Each unit is comprised of four

(4) bedrooms, two and a half (2.5) bathrooms, and measures approximately 159 square meters. This building consists of 4 units and measures 636 square meters in total.

• Buildings 697 and 698 contain 4-bedroom units. Each unit is comprised of four (4) bedrooms, two and a half (2.5) bathrooms, and measures approximately 159 square meters. Each building consists of 10 units and measures 1590 square meters in total.

• Building 699 contains 4-bedroom units. Each unit is comprised of four

(4) bedrooms, two and a half (2.5) bathrooms, and measures approximately 159 square meters. This building consists of 6 units and measures 954 square meters in total.

Base Bid includes the following:

• Demolition and construction of all units within buildings 624, 625, 626, 640, and 655. This accounts for a total of twenty-six (26) housing units.

• Groups A, B, and D mechanical buildings (622, 630, and 656 respectively) shall be renovated to provide only domestic hot water to the housing units. The existing chilled water systems, space heating systems, and dual temperature piping will be removed. New domestic hot water piping and new domestic hot water systems shall be provided.

• Groups E and F’s mechanical buildings (666 and 685 respectively) shall be renovated to provide heating, cooling, and domestic hot water to the housing units. The existing chilled water system shall be reused.

New domestic hot water piping, dual temperature piping, domestic hot water systems, and space heating systems shall be provided.

• Group C’s mechanical buildings 645 shall be renovated to provide heating, cooling, and domestic hot water to the housing units. The existing chilled water and space heating systems shall be reused. New domestic hot water mechanical piping and new domestic hot water systems shall be provided. Dual temperature piping to buildings 623 shall remain as is while removing piping to other housing units.

Bid Option #1 includes the following:

• Design, demolition and construction of all units within building 699.

This accounts for six (6) housing units.

Bid Option #2 includes the following:

• Design, demolition and construction of all units within building 623.

This accounts for six (6) housing units.

• Group C’s Mechanical Building 645 shall be renovated to provide only domestic hot water to the housing units. The existing chilled water systems, space heating systems, and dual temperature piping will be removed. New domestic hot water piping and new domestic hot water system shall be provided.

Bid Option #3 includes the following:

• Design, demolition and construction of all units within buildings 695, 696, 697, and 698. This accounts for thirty-two (32) housing units.

• Group G’s Mechanical Building 725 shall be renovated to provide only domestic hot water to the housing units. The existing chilled water systems, space heating systems, and dual temperature piping will be removed. New domestic hot water piping and new domestic hot water system shall be provided.

The Contractor shall perform demolition work necessary to remove everything within each building down to the concrete structure, including but not limited to:

a. Exterior windows, doors, and frames

b. Interior doors and frames, interior finishes, and casework

c. Architectural, Electrical, Communications, Mechanical, and Plumbing systems, fixtures, equipment, and their components as described in this

Attachment.

The Contractor shall provide new construction that includes:

a. Exterior windows, doors, and frames

b. Exterior floor finishes at front entry and back patio area

c. Interior doors and frames

d. Ceiling and floor access hatches

e. Wall, floor, and ceiling finishes

f. Cabinetry and shelving

g. HVAC system components

h. Plumbing system components

i. Power system components

j. Lighting system components

k. Communication systems components

l. Fire sprinklers and exterior fire riser rooms

Design and construction shall comply with the specification and requirements contained in the Request for Proposal (RFP). The Designers of Record (DOR) shall use the Unified Facilities Guide Specifications (UFGS), the Japan

Edited Specifications, and the requirements contained in the RFP to fully develop the technical specifications and construction drawings. The

Designers of Record (DOR) shall comply with applicable requirements of UFC and other U.S. and Japanese codes and regulations, as described herein. The

Designers of Record (DOR) shall use references to the Ministry of Land, Infrastructure, Transport, and Tourism (MLIT) specifications as is customarily used in Japan design drawings and is familiar to local (Japan)

Contractor’s and trade where possible.

MECHANICAL UTILITY PHASING

The mechanical utility work in each housing Group must be phased to allow partial occupancy of the Ikego housing area. Each phase shall be complete and usable before proceeding to the next phase. Coordinate with the COR to determine the specific starting date and completion date for each phase. The general phasing scheduled shall be:

a. Groups A and C: Start first

b. Groups B and D: Start after Groups A and C are complete and usable

c. Groups E and F: Start after Groups B and D are complete and usable, Complete within period of performance

d. Group G: Complete any time during the period of performance