Contractor_SOW_NSWC BLDG 3259 MH60 AVIONICS WEAPON DEPOT REPAIR LAB.pdf

STATEMENT OF WORK

MINOR CONSTRUCTION MAC

NSWC BLDG 3259 MH60 AVIONICS WEAPON DEPOT REPAIR LAB

Project Intent

The intent of this work is to construct and finish a dividing wall with a double door, remove the three pole mount transformers feeding the existing 200 amp service, install a new 250 KVA pad mount transformer, relocate 400 amp service from B-3218 to B-3259, relocate two 100 amp buss ducts from B-3212 to B-3259, apply an ESD epoxy floor system, remove an 3’0 x 7’0 exterior personnel door and replace with a new 6’0 x 7’0 exterior personnel door, install 45 lb/hour humidifier to HVAC system, install electrical circuits, install four NMCI drops for cubicles, and run water and drain piping as necessary. Customer will be moving their own equipment.

*This project shall be signed off and completed within 160 days of award.

Scope of Work (Note: See 3259 drawing set and drawing PW 6197 for additional information.)

Demolition

1) Contractor shall remove all floor tiles and base cove in rooms 1, 4, & 6.

2) Contractor shall remove the 3’0 x 7’0 exterior personal door in the northeast corner (see attached drawing set, page 3).

a) Relocate light switch and fire alarm pull station next to this door as necessary to accommodate the new double door.

b) Demolish existing concrete pad outside this door.

3) Contractor shall saw cut and remove sections of concrete floor (see attached drawing set, page 3).

4) Contractor shall remove two 208volt/100 amp bus ducts from building 3212 in room 009.

a) Demo conduit and wire feeding bus ducts back to source and save bus ducts for installation in building 3259.

b) Breakers for these ducts are in room #5 in panel B. Shut off breakers #13,15,17 & 32,34,36

5) Contractor shall remove three pole mount transformers the and primary conductors for panel RP1.

6) Contractor shall remove a 400 amp, 120/208 volt, 3-phase panel from building 3218. This panel shall be relocated to building 3259 to power customer supplied equipment. Demo feed wires and conduit above grade complete back to pole transformers. Demo the two branch circuits wires and conduit complete.

*Note: Disconnecting secondary voltage lines from the pole mounted transformers shall be completed in one business day and not leave the local buildings without power overnight. Power outage shall be scheduled and highly coordinated with NAVFAC UEM.

7) Contractor shall dispose of all demolished material off base in a legal and ethical manner.

1) Contractor shall constructing a 50’ wide x 10’ high insulated wall (see attached drawing set, page 4).

a) Wall will be constructed 20’ from the back wall.

b) Use 20 gauge metal studs and 5/8” drywall.

c) Wall cavity shall be insulated with R-11 batt insulation.

d) Walls shall have a level 4 finish.

e) Modify suspended ceiling as necessary.

f) Relocate light fixtures or supply air diffusers as necessary.

2) Prime and paint new wall on both sides.

a) One coat of primer

b) Two coats of paint (paint color shall be selected after award).

Construction

3) Install new base cove on the new wall and in rooms 1, 1, 4, & 6.

a) Base cove shall be 4” vinyl.

4) Contractor shall pour a new 6” D x 88” W x 48” concrete landing outside the northeast door to replace the existing (see attached drawing set, page 4)..

5) Install a 12” round jumper duct, for return air, from the new equipment room into room 001 above the suspended ceiling (see attached drawing set, page 4).

a) Return air duct shall have a 12” duct silencer.

• Duct silencer specifications:

• Diameter: 12 inch

• Housing Length: 36"

Sound Reduction:

o at 250 Hz - 8.8 o at 500 Hz - 16.5 o at 1000 Hz -21.8

6) Contractor shall dispose of all demolished material off base in a legal and ethical manner.

Doors

1) Contractor shall install a interior 6’0 x 7’0 double door in the center of the new wall (see attached drawing set, page 4).

a) with a knock down frame.

b) Double door shall have one passive door and one active door.

c) Door shall be constructed from 16 gauge metal.

d) Door shall have an insulated polystyrene core (R-Value 7.14, U-Value 0.14).

e) Door shall be fire rated up to 3 hours.

f) Door shall have universal 4.5" x 4.5" Square Hinge Prep

g) Door shall have 7 gauge hinge reinforcement.

h) Door shall have heavy duty door closer reinforcement.

i) Door shall have 1-3/4" door thickness.

j) Door shall have top and bottom flush bolt prep on inactive door panel

k) Door shall have ASA strike prep on inactive door panel

l) Install doors the center of the new wall.

m) Active door shall have Mortise panic hardware, extra heavy duty lever lock (LC2481 CTL 26D) hardware with Best Lock key core configuration, commercial closure (on active door), 4-1/2" x 4-1/2" square corner hinge, ball bearing, non removable pin US26D satin chrome finish, ADA compliant threshold, & bottom door sweep.

2) Contractor shall purchase and install an insulated exterior 6’0 x 7’0 double door to replace the single door that was removed (see attached drawing set, page 4).

a) Door shall be constructed from 16 gauge metal.

b) Door shall have a 16 gauge steel knockdown frame with a 8-1/4" jamb depth for 6'-0" x 7'-0" door.

c) Double door shall have one passive door and one active door.

d) Active door shall have Mortise panic hardware, extra heavy duty lever lock (LC2481 CTL 26D) hardware with Best Lock key core configuration, commercial closure (on active door), 4-1/2" x 4- 1/2" square corner hinge, ball bearing, non removable pin US26D satin chrome finish, ADA compliant threshold, bottom door sweep, latchguard and adjustable weather seal

3) Both sets of doors and frames shall have factory bronze finish.

Epoxy Floor

1) Contractor shall purchase and apply a 2 part epoxy floor system and top coat (see attached drawing set, page 3, 1210 SQ. FT.).

a) Contractor shall prepare floor and apply epoxy floor according to the manufacturer’s instructions.

b) New concrete may need to cure up to 60 days before application.

c) Color shall be selected after award.

ESD Epoxy Floor

1) Contractor shall purchase and apply a 2-part static dissipative floor (ESD) epoxy floor system with top coat (see attached drawing set, page 3, 3100 SQ. FT.).

a) New ESD epoxy flooring shall provide electrical resistance from surface to surface and surface to ground between equal to or greater than 1 x 10^5 Ω/sq but less than 1 x 10^12 Ω/sq or a volume resistivity equal to or greater than 1 x 10^4 Ω-cm but less than 1 x 10^11 Ω-cm.2 when tested in accordance with ANSI ESD S20.20-2014, 97.2.

b) Contractor shall prepare floor and apply ESD epoxy floor according to the manufacturer’s instructions.

c) New concrete may need to cure up to 60 days before application.

d) Color shall be selected after award.

Interior Electrical

1) Contractor shall relocate a 400 amp, 120/208 volt, 3-phase panel (Panel B) from building 3218 to power customer supply equipment (see attached drawing set, page 5).

a) There are two 208 volt/80 amp/3 phase plug in type receptacles for customer supplied equipment needing to be relocated from B-3218 to B-3259 as well.

2) Contractor shall install the two 100 amp buss ducts removed from building 3212 to building 3259 (see attached drawing set, page 5).

a) Buss ducts shall be installed 2’ from the newly constructed wall and 8’ from exterior wall.

b) Power shall be fed from the 400 amp panel (Panel B).

c) Contractor shall purchase and install appropriately sized breakers, EMT conduit and conductors.

3) Contractor shall install a new exit sign/emergency light above the new interior double door (see attached drawing set, page 5).

a) Install on the south side of the new double door.

4) Relocate existing emergency light in the new equipment room as necessary to install panel B.

5) Contractor shall install 1 each - 208 volt/30 amp/1-phase twist lock receptacle for (see attached drawing set, page 5).

a) Power shall be fed from the 400 amp panel (Panel B).

b) Contractor shall purchase and install appropriately sized breakers, EMT conduit and conductors.

6) Contractor shall install one phone line, one NMCI drop, and one RDT&E drop to four customer supplied work stations (see attached drawing set, page 5).

a) Data lines shall be ran in Cat 6E cables.

i) Blue cable for NMCI, white cable for phone, green cable for RDT&E

b) Contractor shall install the appropriate port for each of the communication drops.

c) Label panel legend and end devices for all the above.

d) Contractor shall install two 120V/20A duplex receptacles per workstation.

e) Two 120V/20A circuits shall be fed from the panel RP1 to power these cubicles.

i) Circuits shall be staggered between workstations.

ii) Contractor shall install appropriately sized EMT conduit and conductors.

iii) Existing breakers 18, 20, & 24 as well as blanks 41 & 42 are available for use for these receptacles.

Exterior Electrical Building 3259 will have a 400A service relocated from Building 3218 to accommodate a combination of activities in Building 3259. This will require a transformer upgrade and new underground service into

Building 3259. Existing transformer bank feeding Building 3259 will be removed in this work description.

1) Contractor shall demolish existing pole mounted transformer bank

2) Contractor shall pour a concrete pad for pad mount transformer per note 1 on page 7 of 3259-Drawing

Set.

3) Contractor shall purchase and replace the existing transformer bank with a new 225kVA pad mount transformer with FR3 fluid (see attached drawing set, page 7 for concrete pad plan).

a) The pole and existing hardware at the existing transformer bank location is to be reused in this

SOW.

b) Existing transformers and mounting hardware shall be demolished and taken to the NAFAC UEM

Pole Yard where they will be tested and sampled by the government for PCB’s. Once the government has sampled the transformers and has determined there contents the contractor shall return and remove the transformers and dispose of them off base in a legal and ethical manner.

*Note: The transformer data tag information and asset numbers shall be collected and turned over to Post-Award and NAVFAC UEM.

4) Pole number 3F-84-4 will be converted to primary voltage drop to new pad mount transformer. New lightning arresters and fused disconnects will be installed on the pole (see attached drawing set).

5) 15kV underground primary conductors will be fed from this pole and installed underground to the new pad mount transformer(see attached drawing set).

6) Contractor shall install AMI metering with transmitter and antenna on the new transformer.

7) New secondary voltage conductors will be installed underground to feed the relocated 400A panel and existing 225A panel in Building 3259 (see attached drawing set for sizing conductors).

8) Contractor shall backfill, compact, seed and straw all trenches.

*Note: New transformer shall be installed along with all wiring prior to disconnecting the existing power. Power switch over shall be completed in one business day and not leave the building without power overnight. Power outage shall be scheduled and highly coordinated with NAVFAC UEM.

Life Safety (Details are shown in the attached drawing set, page #6)

1) Contractor shall relocate two smoke detectors (see attached drawing set, page #6).

a) Contractor shall run additional wiring as necessary, matching gauge size and color.

2) Contractor shall purchase and install two new smoke detectors (see attached drawing set, page #6).

a) Contractor shall run wiring as necessary, matching gauge size and color.

3) Contractor shall remove the fire alarm pull station next to the personnel door being removed.

4) Contractor shall purchase and install a new fire alarm pull station.

a) Contractor shall run wiring as necessary, matching gauge size and color.

b) Top of new box shall be set at 48 inches.

5) Contractor shall remove one emergency light (see attached drawing set, page #6).

6) Contractor shall remove and replace two horn/strobe devices (see attached drawing set, page #6).

a) The horn/strobe on the back wall shall be relocated (see attached drawing set, page #6).

7) Contractor shall purchase and install two new emergency lights (see attached drawing set, page #6).

a) Contractor shall run appropriate conduit and wiring.

Humidifier

1) Contractor shall purchase and install a 50 lb. an hour, natural gas fired humidifier in accordance with manufacturer’s recommendations (see attached drawing set, page #4).

2) Contractor shall run power, gas, vent, water and drain piping to humidifier as stated in the manufacturer’s installation manual (see attached installation manual or go to https://www.condair.com/m/0/2596645-b-nortec-gs-series-installation-manual-old.pdf).

3) The humidifier shall have a scale management system utilizing a scale tank for potable water applications. Basis of design is Condair/Nortec GS 50-CS Humidifier.

4) Contractor shall purchase and install manufacturer recommended steam distribution tube per manufacturer’s recommendations in the existing supply duct above the drop ceiling (see attached drawing set, page #4).

5) Contractor shall purchase and install manufacturer recommended steam piping between humidifier and steam distribution tube in the supply duct. If using rigid copper or stainless steel steam piping it must be insulated with 1-1/2” fiberglass pipe insulation with white all service jacket.

6) Contractor shall purchase and install ¾” sch. 40 black steel gas piping from exterior gas line to humidifier.

a) Install a certified manual gas shutoff valve.

b) Install a sediment trap between the manual shutoff valve and the unit.

c) Install a capped 1/8 in NPT test port in the gas line immediately upstream from the humidifier gas connection.

d) Install a union fitting in the gas line immediately upstream from the humidifier gas connection.

e) The operating pressure of the gas supply to the humidifier must be 5 - 10 in. H2O.

f) All gas piping shall be painted with 2 coats of safety yellow paint.

g) Seal exterior wall penetration as appropriate.

7) Contractor shall purchase and install 2” CPVC intake and exhaust piping according to manufacturer’s installation manual.

a) Seal exterior wall penetrations as appropriate.

8) Contractor shall purchase and install ½” type L rigid copper water pipe.

a) Run piping from the mechanical room, room 005, to the humidifier (see attached drawing set, page

#4).

b) Install ½” ball valve on water pipe at humidifier inlet.

c) Install a ½” single check backflow preventer on the water pipe at humidifier inlet.

d) Install a whole house water filter housing that will except 3M CFS124 ( 9-3/4” H x 2-1/2” W) sediment filter on incoming water line.

9) Contractor shall purchase and install a 2” floor drain for humidifier drain (see attached drawing set, page #4 and drawing PW 6197 for additional information).

a) Saw cut and remove concrete from where the humidifier is to be mounted and tie into a below grade drain line in the bathroom group area (see attached drawing set and PW6197 for location).

b) Install 2” SCH 40 PVC drain.

c) Install floor drain flush with new concrete.

d) Backfill and install #5 rebar reinforcement as appropriate.

e) Install 12” long #5 rebar dowel rods into each of the sides of the concrete trough, every 16”.

f) Pour new 4000 psi concrete as necessary.

g) Concrete finish shall match existing.

10) Contractor shall purchase and install a drain water cooler such as Condair/Nortec DWC P/N 171-0010 at the outlet of the humidifier to cool humidifier discharge water before going into sanitary drain.

11) Contractor shall purchase and install a safety disconnect for the humidifier.

a) Install the appropriate size EMT conduit and wire from Panel RP1 (circuits 38 & 40 can be used) in room 005 to the new safety disconnect.

b) Install the appropriate size whip and wire from the disconnect to the humidifier.

12) Contractor shall purchase and install the appropriate size breaker in Panel RP1 per humidifier manufacturer’s recommendations.

13) Contractor shall label panel legend with pencil and safety disconnect with vinyl label stating panel and breaker location.

14) Contractor shall purchase and install manufacturer recommended digital modulating humidistat on an interior wall.

a) Install manufacturer’s recommended control wiring between digital humidistat and humidifier.

b) Exposed control cable shall be ran in EMT conduit.

General Information The Contractor shall provide all labor, material, equipment, and supervision to complete all work described in this statement of work. Although this document is intended to identify all significant features of work to be accomplished in the performance of this task order, it should not be considered absolutely inclusive of all minor tasks required for completion of the major work described herein.

The Contractor shall comply with manufacturer’s recommendations in demolition and installation of all materials and equipment. The Contractor shall be responsible for field verification of actual conditions prior to commencement of work. The Contractor is responsible for quality control of all work that is performed via this task order. The Contractor is responsible for compliance with the U.S. Army Corps of Engineers Safety and Health Requirements Manual, EM 385-1-1, and shall maintain a safe working environment at all times during the performance of this task order.

Working Hours & Working Requirements Working hours shall comply with basic contract requirements. Contractor shall coordinate work schedule with Post-award and Facility POC prior to starting any work. Contractor shall confirm working hours daily with the Facility POC prior to starting work.

This project may require a hot work permit if any welding, drilling, or grinding is being done. The contractor shall call the NAVFAC Mid-Atlantic Regional Dispatch Center at (757) 444-2324 and select option 2. The Dispatch Center shall be notified no earlier than 30 minutes before you want to have the NSA Crane Fire Department at the job site to issue the permit. DO NOT CONTACT THE NSA CRANE FIRE

DEPARTMENT DIRECTLY FOR A HOT WORK PERMIT.

Existing Work All portions of existing work which have been cut, damaged or altered in any way during construction operations shall be repaired or replaced in kind in an approved manner to match existing or adjoining work.

All work of this nature shall be performed by the Contractor at the Contractor’s expense and shall be as directed. Existing equipment shall, at the completion of delivery to demo site, be left in a condition as well as existed before the new work started.

Code Compliance Contractors shall perform all work in accordance with all applicable laws, codes and industry standards.

Submittals The contractor shall submit to the Contract Specialist for approval and selection of the following Before Award:

1. Price or spreadsheet of price

2. A separate price or spreadsheet of price for humidifier including all materials and installation

Submittals The contractor shall submit to the Post Award Construction Manager for approval and selection of the following After Award:

1. Bar chart timeline schedule

2. ESD Epoxy Floor System

3. Humidifier and accessories

4. 225vVA Pad Mount Transformer

5. Doors and hardware

6. Paint

7. Cove Base

8. Concrete and reinforcement

9. Breakers

10. Receptacles

11. Pipe

12. Wire & Conduit

13. Manufacturer’s operation and maintenance data (Package 3 Required)

14. eOMSI spreadsheet

Attachments

1. 3259-Drawing set

2. PW 6197

3. HUM_Basis of Design_Cut Sheet

4. HUM_installation manual

Points of Contact Pre-Award Project Manager: Josh Robbins (812) 854-8955 Contract Specialist: Cassandra Hines (812) 854-1505 Building POC: Toby Evans (812) 854-5999 NAVFAC UEM Jarrod Jones (812) 854-8988 Post-Award Construction Manager: Denise Held (812) 854-4016 Post_Award ET Steve Allen (812) 854-6817

Minor Construction MAC Task Order Specific Selections (Refer to Base Minor Construction MAC)

Section Paragraph Task Order Specific Selection 01 11 00 1.2.1.g.3 Award will be made on a price only basis 01 11 00 1.3 This is a statement of work only project.

01 11 00 1.20.b This project does contain government furnished property. Bus Bars & Electrical Panel

01 11 00 1.20.2 Contractor can use toilets in building.

01 11 00 1.20.4 Laydown area will be provided.

01 11 00 1.23 Project does not include any asbestos containing materials

01 11 00 1.24.1 NMCI access is not required.

01 11 00 1.23.2 Alarm Group access is required.

01 11 00 1.25 No items shall be salvaged.

All other items demolished shall be the property of the contractor.

01 20 00.00 20 1.3 A schedule of prices is required

01 20 00.00 20 1.3.3 HVAC Test, Adjust, and Balance (TAB) is not required.

01 20 00.00 20 1.3.3.f A second TAB will not be required in six months.

01 30 00 1.9 Pre-start or progress photos are not required.

01 30 00 1.14.1.c A single Contractor Representative dedicated solely to this task order is not required.

01 30 00 1.14.2 The superintendent is permitted to serve as the Quality Control Manager.

01 30 00 1.18 Partnering is required 01 30 00 1.2 CADD drawings are not provided and CADD as-built drawings are not required.

01 32 16.00 20 1.2.1.3.1 A bar chart schedule is required.

01 32 16.00 20 1.2 A design schedule is not required

01 32 16.00 20 1.6 A three-week look ahead is not required.

01 33 00 05 20 1.2 A list of proposed subcontractors is not required at the pre-construction meeting

01 33 00 05 20 1.2 A list of proposed products is not required at the pre-construction meeting

01 33 00 05 20 1.4.2.l Building enclosure testing and infrared thermography testing results are not required.

01 33 10.05 20 1.1 There are no design requirements for this task order

01 33 10.05 20 1.5,2.1 No design submittals required 01 33 10.05 20 1.6.6.a Commissioning authority not required 01 33 10.05 20 1.10.3 Not an historical building 01 33 10.05 20 1.5 Specific HVAC, plumbing, and mechanical or electrical system submittals listed above are required for government review

01 33 10.05 20 1.11.3 A DD Form 1354 is not required

01 35 26 1.7.1.1.1 Contractor QC person may be the same as the SSHO

01 35 26 1.8.2 There are no specific or unique hazards. An addendum to the APP is not required.

01 35 26 1.14.1 Hot work permit will be required.

01 45 00.10 20 1.5.1.1 QC Manager may not perform duties of the site superintendent

01 57 19 3.2.1 Storm water permit not required

01 57 19 3.4.2 There are no historical resources within the work area.

01 57 19 3.5.1 No boiler in this task order 01 57 19 1.8 No IDEM permits required 01 57 19 3.19 No special cleaning required

01 78 00 3.1 CADD Record drawings are not required.

01 78 00 1.6.1 Warranty management plan not required

01 78 00 1.7.2 A 9-month walk through is not required.

01 78 23 1.3.2, 1.6.1 Operation & Maintenance Data Package 3 is required

01 78 24.00 20 2.2.1.3 Project does include site utility work and contractor shall produce and submit site utility drawings

02 41 00 1.2.2 Demolition plan not required 02 41 00 1.10 Contractor does not have to document existing conditions in a site survey prior to starting demo

02 82 16.00 20 1.3.1 No known asbestos in this task order

02 82 16.00 20 3.2.2 Contractor will be required to protect the following equipment: N/A

02 83 13.00 20 1.3 No known lead base paint or other heavy metals

02 84 33 1.2 No known PCB work in this task order

22 00 00 2.2.3 N/A 22 00 00 3.1.7 A fire seal is not required.