Attachment_B4_Hendley_ES_Roof_Condition_Assessment_Report.pdf

Report Facility Asset Management

Condition Assessment Report Roof

Prepared for:

DGS - DCPEP

Building Location:

Hendley Elementary School - FY24 425 Chesapeake St SE Washington, DC 20032

Date Inspected:

08/14/2023

About Mantis Innovation Group

Mantis Innovation is a technology-driven solutions firm employing proprietary software and data analytics to improve facility performance and sustainability. Mantis' service offerings include electricity and natural gas procurement, proactive roof, pavement, mechanical HVAC, and envelope management, design and quality assurance, demand management, energy monitoring, solar / renewal implementation, and comprehensive energy efficiency solutions.

Mantis is headquartered in Houston, Texas with over 15 additional locations across the United States from Washington to Massachusetts.

Contact Us www.mantisinnovation.com 877.459.4728 info@mantisinnovation.com 10375 Richmond Avenue, Suite 700 Houston, TX 77042

Site Information Site Name: Hendley Elementary School -

FY24

Site Address: 425 Chesapeake St SE Washington, DC 20032

Region: South

Area (Sq.Ft.): 30,991

Building Roof Access: Hatch

Description: Floors: Multi

Inspection Notes:

View in Client Portal

SECTIONS

Section Material Type Total Area

SF

RCS ERSL

A Modified bitumen roofing 1,272 59 4

B Modified bitumen roofing 773 56 2

C Modified bitumen roofing 6,805 52 1

D Modified bitumen roofing 1,424 50 2

© 2026 Mantis Innovation. All Rights Reserved. CONFIDENTIAL AND PROPRIETARY TO Mantis Innovation.

Hendley Elementary School - FY24 DGS - DCPEP https://perform.mantisinnovation.com/client/properties/574b4a9f-16cc-4af3-a89e-bff75e193df8

Section Material Type Total Area

SF

RCS ERSL

E Modified bitumen roofing 2,812 57 3

F Modified bitumen roofing 5,230 56 3

G Modified bitumen roofing 12,675 45 2

Totals 30,991 51 3

RECOMMENDED REPAIRS

Link Group Defect Section Recommendation Count (Qty U/M)

Est. Cost

Map 0 Boot defect - Boot is damaged or open allowing water to penetrate

G Form and install new 4-pound sheet lead VTR boot cap to seal. Turn down into VTR minimum 2 inches.

(2 EA)

$330

Map 1 Defective field or membrane wrap - High severity

G Remove deteriorated materials and remove from site. Clean surface with approved cleaner. Install a 3-course repair with liquid flashing material and polyester fabric.

Defect still present

(1 EA)

$330

Map 2 Debris (EA) - Debris on roof surface but not penetrating surface

G Remove materials / equipment / debris and properly dispose / store offsite.

(3 EA)

$495

Map 3 Mineral surface-cap deterioration - Degraded, embrittled, excessive cracks

G Clean surface with approved cleaner.

Install a new system compatible liquid roof coating repair.

Defect still present

(7,695 SF)

$94,360

Map 4 Mineral surface-cap deterioration - Granules missing, exposing underlying felt

E Resurface worn areas in new mastic with granules embedded.

(18 SF)

$990

Map 5 Debris (EA) - Loose or light weight debris

D Remove materials / equipment / debris and properly dispose / store offsite.

(1 EA)

$245

Map 6 Open membrane corner - Unknown water penetration

G Repair open seams with fabric, mastic and granules in a three-course fashion.

Typical of 4.

Defect still present

(1 EA)

$330

Map 7 Protective coating defects - Paint/galvanizing missing

C Scrape, clean, prime and coat with rust inhibiting paint.

(1 EA)

$935

Map 8 Deteriorated sealant - Mildly deteriorated

G Remove existing sealants, clean joint and properly install new backer rod and high-grade polyurethane sealant.

(466 LF)

$4,125

Map 9 Deteriorated sealant - Highly deteriorated

F Remove existing sealants, clean joint and properly install new backer rod and high-grade polyurethane sealant.

(256 LF)

$2,640

Map 10 Membrane aging - High severity

D, F, G Repair open seams with fabric, mastic and granules in a three-course fashion.

(15,610 SF)

$66,895

Map 11 Flashing seam or side lap defects (LF) - Open > 1/2" into seam, no water penetration

G Repair open seams with fabric, mastic and granules in a three-course fashion.

Typical of 165.

Defect still present

(460 LF)

$13,200

© 2026 Mantis Innovation. All Rights Reserved. CONFIDENTIAL AND PROPRIETARY TO Mantis Innovation.

Hendley Elementary School - FY24 DGS - DCPEP https://perform.mantisinnovation.com/public/surveys/3dd159fb-ecc2-4d47-bd25-e65223efb54b/aerial_map?defect_classification_id=8d424bed-2293-4bbf-b171-9082c3339180&defect_severity_id=b3b86ae6-fc4f-4652-a8f9-12eed4f4126e&defect_status=proposed https://perform.mantisinnovation.com/public/surveys/3dd159fb-ecc2-4d47-bd25-e65223efb54b/aerial_map?defect_classification_id=3342ddc0-ca53-4a9b-bdba-28d082854a19&defect_severity_id=234a97c1-c116-4a84-9c86-2b32b6f9d3b9&defect_status=proposed https://perform.mantisinnovation.com/public/surveys/3dd159fb-ecc2-4d47-bd25-e65223efb54b/aerial_map?defect_classification_id=a0769fb8-db89-4029-a039-b99d2940ce19&defect_severity_id=fc8025d6-2d2b-4064-b531-9baebea48a6e&defect_status=proposed https://perform.mantisinnovation.com/public/surveys/3dd159fb-ecc2-4d47-bd25-e65223efb54b/aerial_map?defect_classification_id=3f6a2bfb-6840-4a1a-bec1-f99bbb3d22fd&defect_severity_id=6a9eba0c-1de6-436f-8bd7-c047a0128fb5&defect_status=proposed https://perform.mantisinnovation.com/public/surveys/3dd159fb-ecc2-4d47-bd25-e65223efb54b/aerial_map?defect_classification_id=3f6a2bfb-6840-4a1a-bec1-f99bbb3d22fd&defect_severity_id=137261d1-cca0-4924-9efc-a40f39a3136a&defect_status=proposed https://perform.mantisinnovation.com/public/surveys/3dd159fb-ecc2-4d47-bd25-e65223efb54b/aerial_map?defect_classification_id=8bb4c30c-4f27-4619-9b84-0fe90a87a0e6&defect_severity_id=2cc86fcd-8e1d-40d3-bc59-b3089354ffaa&defect_status=proposed https://perform.mantisinnovation.com/public/surveys/3dd159fb-ecc2-4d47-bd25-e65223efb54b/aerial_map?defect_classification_id=c649da6b-66d7-4250-a6de-82115d504c2d&defect_severity_id=7382f06a-1ea9-4bae-9bcb-fce64d7c0aea&defect_status=proposed https://perform.mantisinnovation.com/public/surveys/3dd159fb-ecc2-4d47-bd25-e65223efb54b/aerial_map?defect_classification_id=818670fc-3e2f-4e7d-9792-c27a32bfa310&defect_severity_id=2f1c23af-65e6-4809-bbf9-ec40aea12325&defect_status=proposed https://perform.mantisinnovation.com/public/surveys/3dd159fb-ecc2-4d47-bd25-e65223efb54b/aerial_map?defect_classification_id=6438a0a9-ee6b-4bd2-9d85-9bd153319bd9&defect_severity_id=e6ffe9e5-1dc0-4d94-a821-186d9d22fcd5&defect_status=proposed https://perform.mantisinnovation.com/public/surveys/3dd159fb-ecc2-4d47-bd25-e65223efb54b/aerial_map?defect_classification_id=6438a0a9-ee6b-4bd2-9d85-9bd153319bd9&defect_severity_id=110600e7-af9d-4e3d-933e-493678481920&defect_status=proposed https://perform.mantisinnovation.com/public/surveys/3dd159fb-ecc2-4d47-bd25-e65223efb54b/aerial_map?defect_classification_id=44cfd14b-e7a7-48b4-bd86-9b761ccb185f&defect_severity_id=196af416-0f28-4852-81aa-3891be0f1d29&defect_status=proposed https://perform.mantisinnovation.com/public/surveys/3dd159fb-ecc2-4d47-bd25-e65223efb54b/aerial_map?defect_classification_id=9b70606b-32de-46da-8040-fa67e149c38e&defect_severity_id=49d56a3c-90b5-40f5-8a90-c050b9b9a85f&defect_status=proposed

Link Group Defect Section Recommendation Count (Qty U/M)

Est. Cost

Map 12 Vegetation (SF) - Vegetation on roof

B Employ a qualified Landscape Contractor to properly trim trees off the building line.

(42 SF)

$750

Map 13 Spalling - High severity D Remove loose matetrials from coping and properly dispose of offsite. Clean joint and properly install new backer rod and high-grade polyurethane sealant.

(1 EA)

$990

Map 14 Step, base, and cap flashing defects (LF) - Deteriorated sealant at reglet or top of cap flashing

G Remove existing sealants / mortar from the limestone coping head joints, clean, install backer rod and high-grade polyurethane sealant to seal. Typical of 125.

(472 LF)

$6,600

Map 15 Energy defect - See notes - Energy defect - See notes

F, G Employ a qualified Electrical Contractor to properly repair.

(2 EA)

$700

Total 23 $193,915

© 2026 Mantis Innovation. All Rights Reserved. CONFIDENTIAL AND PROPRIETARY TO Mantis Innovation.

Hendley Elementary School - FY24 DGS - DCPEP https://perform.mantisinnovation.com/public/surveys/3dd159fb-ecc2-4d47-bd25-e65223efb54b/aerial_map?defect_classification_id=0a86e1db-3aa7-402f-8103-af55be340b55&defect_severity_id=2e209b93-79be-4e3b-b227-6e895bd612d4&defect_status=proposed https://perform.mantisinnovation.com/public/surveys/3dd159fb-ecc2-4d47-bd25-e65223efb54b/aerial_map?defect_classification_id=3ec59ecf-40bb-40a9-a75c-962621f8a9fe&defect_severity_id=df045378-8519-48d6-b97d-ee6bba334a4d&defect_status=proposed https://perform.mantisinnovation.com/public/surveys/3dd159fb-ecc2-4d47-bd25-e65223efb54b/aerial_map?defect_classification_id=23539a38-118d-441f-ac63-592af547e4a9&defect_severity_id=7e254d68-6191-4757-99c0-5d5c940678a2&defect_status=proposed https://perform.mantisinnovation.com/public/surveys/3dd159fb-ecc2-4d47-bd25-e65223efb54b/aerial_map?defect_classification_id=9eb6ddeb-9a12-4e11-9b02-2d109c7ae06f&defect_severity_id=cbabee98-f005-4d3d-bc95-e8a0c29880aa&defect_status=proposed

Inventory Plan

© 2026 Mantis Innovation. All Rights Reserved. CONFIDENTIAL AND PROPRIETARY TO Mantis Innovation.

Defect Plan

Section A Summary

Section: A Type: Modified bitumen roofing

Area: 1,272 SF Layers:

• Surface

- Surface: Granular

- Color: White

• Membrane

- Application: Torch

- # of plies: 1

- Type:

- Base sheet type: Fiberglass

• Insulation

- Type: Wood fiberboard (cover board)

- Thickness: 0.50"

- # of layers: 1

- Tapered:

- Slope:

- Attachment:

• Insulation

- Type: Polyisocyanurate (Poly ISO) foam

- Thickness: 2.50"

- # of layers: 1

- Tapered:

- Slope:

- Attachment:

• Insulation

- Type: Polyisocyanurate (Poly ISO) foam

- Thickness: 2"

- # of layers: 1

- Tapered:

- Slope:

- Attachment:

• Deck

- Type: Plywood

- Deck slope:

Year Installed: 1993

Height: 15 FT

Sensitivity: None

Warranties: N/A

Condition Score: 59 (Poor)

Notes: Prior RCS=62; prior ERSL React/Proact=5/0. Prior RCS=63; prior ERSL React/Proact=7/0. Prior RCS=65; prior ERSL React/Proact=2/0. Prior RCS=69; prior ERSL React/Proact=4/0. Prior RCS=70; prior ERSL React/Proact=0/0. previously coated

Section A Inventory

Inventory Attributes Quantity

Roof assembly: Mod bit surface Surface: Granular, Color: White 1,191 SF

Roof assembly: Mod bit membrane Application: Torch, # of plies: 1, Type: , Base sheet type:

Fiberglass

1,191 SF

Roof assembly: Mod bit insulation Type: Wood fiberboard (cover board), Thickness: 0.50", # of layers: 1, Tapered: , Slope: , Attachment:

1,191 SF

Roof assembly: Mod bit insulation Type: Polyisocyanurate (Poly ISO) foam, Thickness: 2.50", # of layers: 1, Tapered: , Slope: , Attachment:

1,191 SF

Roof assembly: Mod bit insulation Type: Polyisocyanurate (Poly ISO) foam, Thickness: 2", # of layers: 1, Tapered: , Slope: , Attachment:

1,191 SF

Roof assembly: Mod bit deck Type: Plywood, Deck slope: 1,191 SF

Perimeter: Raised edge Gutter: No 98 LF

Perimeter: Wall membrane flashing Type: Roof, Attachment: Adhered, Att count: , Stretch out: 18", Wall height: , Wall matl:

54 LF

Perimeter: Wall Type: Wall 54 LF

Perimeter: Wall counter flashing Type: Surface mount 54 LF

Perimeter: Edge Type: Edge 98 LF

Perimeter: Cladding Type: Brick 54 LF

Penetrations: AP/Gravity vent Size: 24", Material: Painted steel, Flashing: Curb, Shape:

Gooseneck, Screen: Yes

2 EA

Penetrations: Pipe vent Size: 3", Material: Cast iron, Flashing: Lead boot 1 EA

Penetrations: Pipe vent Size: 4", Material: Cast iron, Flashing: Lead boot 1 EA

Equipment: Exhaust fan/Extractor vent Type: Mechanized, Support: Curbed, Base height: 6", Length: 3', Width: 3', Unit height:

1 EA

Equipment: Exhaust fan/Extractor vent Type: Mechanized, Support: Curbed, Base height: 6", Length: 2', Width: 2', Unit height:

1 EA

Drainage: Field drain Size: 4", Material: Cast iron w/ strainer 2 EA

Drainage: Slope Pitch: .25 : 12 6 LF

Test/Sample: Core sample 1 EA

Section B Summary

Section: B Type: Modified bitumen roofing

Area: 773 SF Layers:

• Surface

- Surface: Granular

- Color: White

• Membrane

- Application: Torch

- # of plies: 1

- Type:

- Base sheet type: Fiberglass

• Insulation

- Type: Wood fiberboard (cover board)

- Thickness: 0.50"

- # of layers: 1

- Tapered:

- Slope:

- Attachment:

• Insulation

- Type: Polyisocyanurate (Poly ISO) foam

- Thickness: 1.50"

- # of layers: 1

- Tapered:

- Slope:

- Attachment:

• Insulation

- Type: Polyisocyanurate (Poly ISO) foam

- Thickness: 0.50"

- # of layers: 1

- Tapered:

- Slope:

- Attachment:

• Deck

- Type: Plywood

- Deck slope:

Year Installed: 2000

Height: 15 FT

Sensitivity: None

Warranties: N/A

Condition Score: 56 (Poor)

Notes: Prior RCS=59; prior ERSL React/Proact=3/1. Prior RCS=60; prior ERSL React/Proact=4/2. Prior RCS=61; prior ERSL React/Proact=3/0. Prior RCS=61; prior ERSL React/Proact=3/1. Prior RCS=61; prior ERSL React/Proact=0/0. Prior RCS=64;

prior ERSL React/Proact=4/0. Prior RCS=66; prior ERSL React/Proact=4/0. Prior RCS=69; prior ERSL React/Proact=4/3. Prior RCS=69; prior ERSL React/Proact=4/3.

Section B Inventory

Roof assembly: Mod bit surface Surface: Granular, Color: White 728 SF

Roof assembly: Mod bit membrane Application: Torch, # of plies: 1, Type: , Base sheet type:

Fiberglass

728 SF

Roof assembly: Mod bit insulation Type: Wood fiberboard (cover board), Thickness: 0.50", # of layers: 1, Tapered: , Slope: , Attachment:

728 SF

Roof assembly: Mod bit insulation Type: Polyisocyanurate (Poly ISO) foam, Thickness: 1.50", # of layers: 1, Tapered: , Slope: , Attachment:

728 SF

Roof assembly: Mod bit insulation Type: Polyisocyanurate (Poly ISO) foam, Thickness: 0.50", # of layers: 1, Tapered: , Slope: , Attachment:

728 SF

Roof assembly: Mod bit deck Type: Plywood, Deck slope: 728 SF

Perimeter: Gravel stop Face height: 6", Material: Steel, Finish: Prefinished, Rise: Low, Gutter: No

102 LF

Perimeter: Wall membrane flashing Type: Roof, Attachment: Adhered, Att count: , Stretch out: 18", Wall height: , Wall matl:

30 LF

Perimeter: Wall Type: Wall 30 LF

Perimeter: Wall counter flashing Type: Surface mount 30 LF

Perimeter: Edge Type: Edge 102 LF

Perimeter: Cladding Type: 30 LF

Drainage: Field drain Size: 4", Material: Cast iron w/ strainer 1 EA

Drainage: Slope Pitch: .25 : 12 7 LF

Test/Sample: Core sample 1 EA

Section C Summary

Section: C Type: Modified bitumen roofing

Area: 6,805 SF Layers:

• Surface

- Surface: Granular

- Color: White

• Membrane

- Application: Torch

- # of plies: 1

- Type:

- Base sheet type: Fiberglass

• Insulation

- Type: Wood fiberboard (cover board)

- Thickness: 0.50"

- # of layers: 1

- Tapered:

- Slope:

- Attachment:

• Insulation

- Type: Polyisocyanurate (Poly ISO) foam

- Thickness: 1"

- # of layers: 1

- Tapered:

- Slope:

- Attachment:

• Insulation

- Type: Polyisocyanurate (Poly ISO) foam

- Thickness: 2"

- # of layers: 2

- Tapered:

- Slope:

- Attachment:

• Deck

- Type: Plywood

- Deck slope:

Year Installed: 2000

Height: 30 FT

Sensitivity: None

Warranties: N/A

Condition Score: 52 (Poor)

Notes: Prior RCS=55; prior ERSL React/Proact=2/1. Prior RCS=56; prior ERSL React/Proact=3/1. Prior RCS=57; prior ERSL React/Proact=3/0. Prior RCS=53; prior ERSL React/Proact=2/2. Prior RCS=57; prior ERSL React/Proact=0/0. Prior RCS=60;

prior ERSL React/Proact=3/1. Prior RCS=60; prior ERSL React/Proact=3/1. Prior RCS=65; prior ERSL React/Proact=4/2. Prior RCS=65; prior ERSL React/Proact=4/2.

Section C Inventory

Roof assembly: Mod bit surface Surface: Granular, Color: White 6,805 SF

Roof assembly: Mod bit membrane Application: Torch, # of plies: 1, Type: , Base sheet type:

Fiberglass

6,805 SF

Roof assembly: Mod bit insulation Type: Wood fiberboard (cover board), Thickness: 0.50", # of layers: 1, Tapered: , Slope: , Attachment:

6,805 SF

Roof assembly: Mod bit insulation Type: Polyisocyanurate (Poly ISO) foam, Thickness: 1" , # of layers: 1, Tapered: , Slope: , Attachment:

6,805 SF

Roof assembly: Mod bit insulation Type: Polyisocyanurate (Poly ISO) foam, Thickness: 2", # of layers: 2, Tapered: , Slope: , Attachment:

6,805 SF

Roof assembly: Mod bit deck Type: Plywood, Deck slope: 6,805 SF

Perimeter: Gravel stop Face height: 5", Material: Steel, Finish: Prefinished, Rise: Low, Gutter: No

342 LF

Perimeter: Edge Type: Edge 342 LF

Penetrations: AP/Gravity vent Size: 8", Material: Galvanized steel, Flashing: Pipe jack, Shape:

Gooseneck, Screen: Yes

1 EA

Penetrations: Pitch pan Type: Metal, Material: , Height: 3", Length: 3", Width: 6" 1 EA

Penetrations: Pitch pan Type: Metal, Material: , Height: 3", Length: 6", Width: 6" 4 EA

Penetrations: Pitch pan Type: Metal, Material: , Height: 3", Length: 12", Width: 12" 2 EA

Penetrations: Hatch (select size) Length: 3', Width: 3', Type: Access hatch, Base height: 8", Material: Galvanized steel, Finish: Painted

1 EA

Penetrations: Curb (select size) Flashing: Membrane, Base height: 18", Length: 5', Width: 2', Material:

1 EA

Penetrations: Curb (select size) Flashing: Membrane, Base height: 18", Length: 3', Width: 3', Material:

1 EA

Equipment: Exhaust fan/Extractor vent Type: Mechanized, Support: Curbed, Base height: 18", Length:

2', Width: 2', Unit height:

1 EA

Equipment: Exhaust fan/Extractor vent Type: Mechanized, Support: Curbed, Base height: 12", Length:

2', Width: 2', Unit height:

2 EA

Equipment: HVAC unit Support: Platform, Base height: 2", Length: 6', Width: 2', Capacity: , Unit height:

1 EA

Equipment: HVAC unit Support: Curbed, Base height: 36", Length: 12', Width: 4', Capacity: , Unit height:

1 EA

Equipment: HVAC unit Support: Platform, Base height: 2", Length: 3', Width: 3', Capacity: , Unit height:

2 EA

Equipment: HVAC unit Support: Platform, Base height: 2", Length: 3', Width: 2', Capacity: , Unit height:

1 EA

Equipment: HVAC unit Support: Dunnage, Base height: 2", Length: 4', Width: 3', Capacity: , Unit height: 6'

1 EA

Drainage: Field drain Size: 4", Material: Cast iron w/ strainer 2 EA

Drainage: Slope Pitch: 9 LF

Assorted/Miscellaneous: Mod bit 40 LF

Assorted/Miscellaneous: Sleepers Material: , Size: 87 LF

Assorted/Miscellaneous: Miscellaneous - See notes

1 EA

Test/Sample: Core sample 1 EA

Section D Summary

Section: D Type: Modified bitumen roofing

Area: 1,424 SF Layers:

• Surface

- Surface: Granular

- Color: White

• Membrane

- Application: Torch

- # of plies: 1

- Type:

- Base sheet type: Fiberglass

• Insulation

- Type: Wood fiberboard (cover board)

- Thickness: 0.50"

- # of layers: 1

- Tapered:

- Slope:

- Attachment:

• Insulation

- Type: Polyisocyanurate (Poly ISO) foam

- Thickness: 1"

- # of layers: 1

- Tapered:

- Slope:

- Attachment:

• Insulation

- Type: Polyisocyanurate (Poly ISO) foam

- Thickness: 2"

- # of layers: 2

- Tapered:

- Slope:

- Attachment:

• Deck

- Type: Plywood

- Deck slope:

Year Installed: 1999

Height: 60 FT

Sensitivity: None

Warranties: N/A

Condition Score: 50 (Poor)

Notes: Prior RCS=51; prior ERSL React/Proact=2/1. Prior RCS=52; prior ERSL React/Proact=3/1. Prior RCS=54; prior ERSL React/Proact=4/0. Prior RCS=55; prior ERSL React/Proact=4/0. Prior RCS=60; prior ERSL React/Proact=0/0. Prior RCS=57;

prior ERSL React/Proact=4/0. Prior RCS=57; prior ERSL React/Proact=4/0. Prior RCS=63; prior ERSL React/Proact=4/0. Prior RCS=63; prior ERSL React/Proact=4/0.

Section D Inventory

Roof assembly: Mod bit surface Surface: Granular, Color: White 1,278 SF

Roof assembly: Mod bit membrane Application: Torch, # of plies: 1, Type: , Base sheet type:

Fiberglass

1,278 SF

Roof assembly: Mod bit insulation Type: Wood fiberboard (cover board), Thickness: 0.50", # of layers: 1, Tapered: , Slope: , Attachment:

1,278 SF

Roof assembly: Mod bit insulation Type: Polyisocyanurate (Poly ISO) foam, Thickness: 1" , # of layers: 1, Tapered: , Slope: , Attachment:

1,278 SF

Roof assembly: Mod bit insulation Type: Polyisocyanurate (Poly ISO) foam, Thickness: 2", # of layers: 2, Tapered: , Slope: , Attachment:

1,278 SF

Roof assembly: Mod bit deck Type: Plywood, Deck slope: 1,278 SF

Perimeter: Parapet Type: Parapet 146 LF

Perimeter: Parapet membrane flashing Type: Roof, Attachment: Adhered, Att count: , Stretch out: 12", Wall height: , Wall matl:

146 LF

Perimeter: Parapet counter flashing Type: Surface mount 146 LF

Perimeter: Coping cap Material: Limestone, Width: 20", Height: 2", Interior face: , Exterior face: , Stretch out:

146 LF

Penetrations: AP/Gravity vent Size: > 24", Material: Painted steel, Flashing: Curb, Shape:

Square, Screen: No

1 EA

Penetrations: Pipe vent Size: 4", Material: Galvanized steel, Flashing: Membrane 1 EA

Drainage: Cricket (measure) 50 LF

Drainage: Slope Pitch: .25 : 12 4 LF

Drainage: Through-wall scupper Width: 8", Height: 4", Length: 20", Material: , Finish: , Downspout: Yes

1 EA

Section E Summary

Section: E Type: Modified bitumen roofing

Area: 2,812 SF Layers:

• Surface

- Surface: Granular

- Color: White

• Membrane

- Application: Torch

- # of plies: 1

- Type:

- Base sheet type: Fiberglass

• Insulation

- Type: Polyisocyanurate (Poly ISO) foam

- Thickness: 1"

- # of layers: 1

- Tapered:

- Slope:

- Attachment:

• Insulation

- Type: Wood fiberboard (cover board)

- Thickness: 0.50"

- # of layers: 1

- Tapered:

- Slope:

- Attachment:

• Deck

- Type: Cast in-place concrete

- Deck slope:

Year Installed: 1999

Height: 15 FT

Sensitivity: None

Warranties: N/A

Condition Score: 57 (Poor)

Notes: Prior RCS=60; prior ERSL React/Proact=4/1. Prior RCS=61; prior ERSL React/Proact=4/1. Prior RCS=62; prior ERSL React/Proact=3/1. Prior RCS=58; prior ERSL React/Proact=4/0. Prior RCS=60; prior ERSL React/Proact=0/0. Prior RCS=62;

prior ERSL React/Proact=4/0. Prior RCS=57; prior ERSL React/Proact=4/0. Prior RCS=63; prior ERSL React/Proact=4/2. Prior RCS=63; prior ERSL React/Proact=4/2.

Section E Inventory

Roof assembly: Mod bit surface Surface: Granular, Color: White 2,671 SF

Roof assembly: Mod bit membrane Application: Torch, # of plies: 1, Type: , Base sheet type:

Fiberglass

2,671 SF

Roof assembly: Mod bit insulation Type: Polyisocyanurate (Poly ISO) foam, Thickness: 1" , # of layers: 1, Tapered: , Slope: , Attachment:

2,671 SF

Roof assembly: Mod bit insulation Type: Wood fiberboard (cover board), Thickness: 0.50", # of layers: 1, Tapered: , Slope: , Attachment:

2,671 SF

Roof assembly: Mod bit deck Type: Cast in-place concrete, Deck slope: 2,671 SF

Perimeter: Gravel stop Face height: 5", Material: Steel, Finish: Prefinished, Rise: Low, Gutter: No

132 LF

Perimeter: Wall membrane flashing Type: Roof, Attachment: Adhered, Att count: , Stretch out: 18", Wall height: , Wall matl:

94 LF

Perimeter: Wall Type: Wall 94 LF

Perimeter: Wall counter flashing Type: Surface mount 94 LF

Perimeter: Edge Type: Edge 132 LF

Perimeter: Cladding Type: Brick 94 LF

Penetrations: Pitch pan Type: Metal, Material: Galvanized steel, Height: 3", Length: 4", Width: 4"

1 EA

Penetrations: Pitch pan Type: , Material: , Height: , Length: , Width: 1 EA

Penetrations: Pipe vent Size: 4", Material: Galvanized steel, Flashing: Membrane 1 EA

Equipment: Exhaust fan/Extractor vent Type: Mechanized, Support: Curbed, Base height: 8", Length: 2', Width: 2', Unit height:

1 EA

Drainage: Field drain Size: 4", Material: Cast iron w/ strainer 2 EA

Drainage: Cricket (measure) 74 LF

Drainage: Slope Pitch: .25 : 12 13 LF

Assorted/Miscellaneous: Mod bit 75 LF

Assorted/Miscellaneous: Electrical conduit

Support: 28 LF

Test/Sample: Core sample 1 EA

Section F Summary

Section: F Type: Modified bitumen roofing

Area: 5,230 SF Layers:

• Surface

- Surface: Granular

- Color: White

• Membrane

- Application: Torch

- # of plies: 1

- Type:

- Base sheet type: Fiberglass

• Insulation

- Type: Wood fiberboard (cover board)

- Thickness: 0.50"

- # of layers: 1

- Tapered: No

- Slope: 0

- Attachment: Spot adhered

• Insulation

- Type: Polyisocyanurate (Poly ISO) foam

- Thickness: 2"

- # of layers: 2

- Tapered: Yes

- Slope: 1/16

- Attachment: Spot adhered

• Deck

- Type: Cast in-place concrete

- Deck slope:

Year Installed: 1999

Height: 30 FT

Sensitivity: None

Warranties: N/A

Condition Score: 56 (Poor)

Notes: Prior RCS=57; prior ERSL React/Proact=3/1. Prior RCS=59; prior ERSL React/Proact=3/2. Prior RCS=61; prior ERSL React/Proact=2/0. Prior RCS=58; prior ERSL React/Proact=2/2. Prior RCS=59; prior ERSL React/Proact=0/0. Prior RCS=62;

prior ERSL React/Proact=3/1. Prior RCS=62; prior ERSL React/Proact=3/1. Prior RCS=63; prior ERSL React/Proact=4/2. Prior RCS=63; prior ERSL React/Proact=4/2.

Section F Inventory

Roof assembly: Mod bit surface Surface: Granular, Color: White 4,540 SF

Roof assembly: Mod bit membrane Application: Torch, # of plies: 1, Type: , Base sheet type:

Fiberglass

4,540 SF

Roof assembly: Mod bit insulation Type: Wood fiberboard (cover board), Thickness: 0.50", # of layers: 1, Tapered: No, Slope: 0, Attachment: Spot adhered

4,540 SF

Roof assembly: Mod bit insulation Type: Polyisocyanurate (Poly ISO) foam, Thickness: 2", # of layers: 2, Tapered: Yes, Slope: 1/16, Attachment: Spot adhered

4,540 SF

Roof assembly: Mod bit deck Type: Cast in-place concrete, Deck slope: 4,540 SF

Perimeter: Parapet Width: 16", Height: 2', Height (min): , Material: Unknown, Wall substrate: Other

276 LF

Perimeter: Parapet Type: Parapet 276 LF

Perimeter: Parapet membrane flashing Type: Roof, Attachment: Adhered, Att count: , Stretch out: 30", Wall height: , Wall matl:

276 LF

Perimeter: Parapet counter flashing Type: Surface mount 276 LF

Perimeter: Coping cap Material: Limestone, Width: 20", Height: 4", Interior face: , Exterior face: , Stretch out:

276 LF

Penetrations: AP/Gravity vent Size: > 24", Material: Painted steel, Flashing: Curb, Shape:

Gooseneck, Screen: Yes

2 EA

Penetrations: Pitch pan Type: Metal, Material: Galvanized steel, Height: 3", Length: 4", Width: 4"

5 EA

Penetrations: Hatch (select size) Length: 3', Width: 3', Type: Access hatch, Base height: 8", Material: Galvanized steel, Finish: Painted

1 EA

Penetrations: Pipe vent Size: 2", Material: Galvanized steel, Flashing: Lead boot 2 EA

Equipment: Exhaust fan/Extractor vent Type: Mechanized, Support: Curbed, Base height: 8", Length: 2', Width: 2', Unit height:

5 EA

Drainage: Cricket (measure) 188 LF

Drainage: Field drain Size: 4", Material: Cast iron w/ strainer 2 EA

Drainage: Slope Pitch: .25 : 12 17 LF

Assorted/Miscellaneous: Mod bit 101 LF

Assorted/Miscellaneous: Electrical conduit

Support: 82 LF

Test/Sample: Core sample 2 EA

Section G Summary

Section: G Type: Modified bitumen roofing

Area: 12,675 SF Layers:

• Surface

- Surface: Granular

- Color: White

• Membrane

- Application: Torch

- # of plies: 2

- Type:

- Base sheet type: Fiberglass

• Insulation

- Type: Wood fiberboard (cover board)

- Thickness: 0.50"

- # of layers: 1

- Tapered: No

- Slope: 0

- Attachment: Fully adhered

• Insulation

- Type: Polyisocyanurate (Poly ISO) foam

- Thickness: 1"

- # of layers: 1

- Tapered: Yes

- Slope: 1/8

- Attachment: Fully adhered

• Insulation

- Type: Polyisocyanurate (Poly ISO) foam

- Thickness: 2"

- # of layers: 2

- Tapered: No

- Slope: 0

- Attachment: Fully adhered

Year Installed: 1996

Height: 60 FT

Sensitivity: None

Warranties: N/A

Condition Score: 45 (Poor)

Notes: Prior RCS=47; prior ERSL React/Proact=2/1. Prior RCS=50; prior ERSL React/Proact=4/1. Prior RCS=51; prior ERSL React/Proact=4/0. Prior RCS=48; prior ERSL React/Proact=4/0. Prior RCS=50; prior ERSL React/Proact=0/0. Prior RCS=55;

prior ERSL React/Proact=3/1. Prior RCS=58; prior ERSL React/Proact=3/1. Prior RCS=63; prior ERSL React/Proact=4/2. Prior RCS=63; prior ERSL React/Proact=4/2.

Section G Inventory

Roof assembly: Mod bit surface Surface: Granular, Color: White 11,284 SF

Roof assembly: Mod bit membrane Application: Torch, # of plies: 2, Type: , Base sheet type:

Fiberglass

11,284 SF

Roof assembly: Mod bit insulation Type: Wood fiberboard (cover board), Thickness: 0.50", # of layers: 1, Tapered: No, Slope: 0, Attachment: Fully adhered

11,284 SF

Roof assembly: Mod bit insulation Type: Polyisocyanurate (Poly ISO) foam, Thickness: 1" , # of layers: 1, Tapered: Yes, Slope: 1/8, Attachment: Fully adhered

11,284 SF

Roof assembly: Mod bit insulation Type: Polyisocyanurate (Poly ISO) foam, Thickness: 2", # of layers: 2, Tapered: No, Slope: 0, Attachment: Fully adhered

11,284 SF

Perimeter: Parapet Type: Parapet 506 LF

Perimeter: Parapet membrane flashing Type: Roof, Attachment: Adhered, Att count: , Stretch out: 30", Wall height: , Wall matl:

506 LF

Perimeter: Wall membrane flashing Type: Roof, Attachment: Adhered, Att count: , Stretch out: 18", Wall height: , Wall matl:

84 LF

Perimeter: Wall Type: Wall 84 LF

Perimeter: Parapet counter flashing Type: Surface mount 506 LF

Perimeter: Wall counter flashing Type: Reglet - 2 piece 84 LF

Perimeter: Cladding Type: Brick 84 LF

Perimeter: Coping cap Material: Limestone, Width: 20", Height: 4", Interior face: 4", Exterior face: 4", Stretch out:

506 LF

Interior perimeter: Control joint Width: 8", Type: With cap, Material: Painted steel, Stretch out:

14"

57 LF

Interior perimeter: Joint Type: Joint 57 LF

Penetrations: Curbed duct Flashing: Membrane 1 EA

Penetrations: Pitch pan Type: ChemCurb, Material: PVC, Height: 3", Length: 10", Width:

4"

1 EA

Penetrations: Pitch pan Type: Metal, Material: Aluminum, Height: 3", Length: 12", Width:

12"

2 EA

Penetrations: Pitch pan Type: Metal, Material: Aluminum, Height: 3", Length: See notes, Width: 12"

2 EA

Penetrations: Pitch pan Type: ChemCurb, Material: PVC, Height: 3", Length: 10", Width:

8"

1 EA

Penetrations: Pitch pan Type: , Material: , Height: , Length: , Width: 1 EA

Penetrations: Guy wires Flashing: Membrane 2 EA

Penetrations: Hot stack Diameter: 16", Length: See notes, Width: 18", Flashing:

Membrane, Base height: 8", Material: Metal

1 EA

Penetrations: Mechanical vent Size: , Material: , Flashing: , Shape: , Screen: 1 EA

Penetrations: Mechanical vent Size: > 24", Material: Aluminum, Flashing: Curb, Shape: Square, Screen: No

1 EA

Penetrations: Pipe vent Size: 4", Material: Galvanized steel, Flashing: Lead boot 1 EA

Penetrations: Pipe vent Size: 8", Material: Galvanized steel, Flashing: Lead boot 2 EA

Penetrations: Pipe vent Size: 2.50", Material: Galvanized steel, Flashing: Lead boot 2 EA

Penetrations: Pipe vent Size: 6", Material: Galvanized steel, Flashing: Lead boot 2 EA

Equipment: HVAC unit Support: , Base height: , Length: , Width: , Capacity: , Unit height:

1 EA

Equipment: HVAC unit Support: Hurricane stand, Base height: 36", Length: See notes, Width: 12', Capacity: , Unit height: > 10'

1 EA

Equipment: Refrigeration unit Support: Sleepers, Base height: 3", Length: 3', Width: 3', Unit height: 6'

14 EA

Drainage: Cricket (measure) 346 LF

Drainage: Field drain Size: 5", Material: Cast iron w/ strainer 7 EA

Drainage: Slope Pitch: .50 : 12 8 LF

Assorted/Miscellaneous: Ladder Fire escape: , Caged: 1 EA

Assorted/Miscellaneous: Pipe Size: 4", Material: Galvanized steel, Flashing: Membrane 4 EA

Assorted/Miscellaneous: Electrical conduit

Support: 499 LF

Assorted/Miscellaneous: Electrical conduit

Support: Dunnage / Blocking 6 LF

Assorted/Miscellaneous: Sleepers Material: See notes, Size: 8" x 8" 60 LF

Assorted/Miscellaneous: Pipes - See notes

137 LF

Test/Sample: Core sample 1 EA

Defect List

(Qty U/M) Est. Cost

Map 0 Boot defect - Boot is damaged or open allowing water to penetrate Status: Proposed

G Form and install new 4-pound sheet lead VTR boot cap to seal. Turn down into VTR minimum 2 inches.

(2 EA)

$330

Map 1 Defective field or membrane wrap - High severity Status: Proposed

G Remove deteriorated materials and remove from site. Clean surface with approved cleaner. Install a 3-course repair with liquid flashing material and polyester fabric.

Defect still present

(1 EA)

$330

Map 2 Debris (EA) - Debris on roof surface but not penetrating surface Status: Proposed

G Remove materials / equipment / debris and properly dispose / store offsite.

(3 EA)

$495

Map 3 Mineral surface-cap deterioration - Degraded, embrittled, excessive cracks Status: Proposed

G Clean surface with approved cleaner.

Install a new system compatible liquid roof coating repair.

Defect still present

(7,695 SF)

$94,360

Map 4 Mineral surface-cap deterioration - Granules missing, exposing underlying felt Status: Proposed

E Resurface worn areas in new mastic with granules embedded.

(18 SF)

$990

Map 5 Debris (EA) - Loose or light weight debris Status: Proposed

D Remove materials / equipment / debris and properly dispose / store offsite.

(1 EA)

$245

Map 6 Open membrane corner - Unknown water penetration Status: Proposed

G Repair open seams with fabric, mastic and granules in a three-course fashion.

Typical of 4.

Defect still present

(1 EA)

$330

Map 7 Protective coating defects - Paint/galvanizing missing Status: Proposed

C Scrape, clean, prime and coat with rust inhibiting paint.

(1 EA)

$935

Map 8 Deteriorated sealant - Mildly deteriorated Status: Proposed

G Remove existing sealants, clean joint and properly install new backer rod and high-grade polyurethane sealant.

(466 LF)

$4,125

Map 9 Deteriorated sealant - Highly deteriorated Status: Proposed

F Remove existing sealants, clean joint and properly install new backer rod and high-grade polyurethane sealant.

(256 LF)

$2,640

Map 10 Membrane aging - Membrane aging (minor) Status: Monitor

E No action required at this time. Monitor and maintain.

(2,348 SF)

$0

Map 11 Membrane aging - Membrane aging (extensive) Status: Monitor

B, A, C No action required at this time. Monitor and maintain.

(7,788 SF)

$0

© 2026 Mantis Innovation. All Rights Reserved. CONFIDENTIAL AND PROPRIETARY TO Mantis Innovation.

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(Qty U/M)

Est. Cost

Map 12 Membrane aging - High severity Status: Proposed

D, F, G Repair open seams with fabric, mastic and granules in a three-course fashion.

(15,610 SF)

$66,895

Map 13 Flashing seam or side lap defects (LF) - Open > 1/2" into seam, no water penetration Status: Proposed

G Repair open seams with fabric, mastic and granules in a three-course fashion.

Typical of 165.

Defect still present

(460 LF)

$13,200

Map 14 Vegetation (SF) - Vegetation on roof Status: Proposed

B Employ a qualified Landscape Contractor to properly trim trees off the building line.

(42 SF)

$750

Map 15 Spalling - High severity Status: Proposed

D Remove loose matetrials from coping and properly dispose of offsite. Clean joint and properly install new backer rod and high-grade polyurethane sealant.

(1 EA)

$990

Map 16 Step, base, and cap flashing defects (LF) - Deteriorated sealant at reglet or top of cap flashing Status: Proposed

G Remove existing sealants / mortar from the limestone coping head joints, clean, install backer rod and high-grade polyurethane sealant to seal. Typical of 125.

(472 LF)

$6,600

Map 17 Energy defect - See notes - Energy defect - See notes Status: Proposed

F, G Employ a qualified Electrical Contractor to properly repair.

(2 EA)

$700

Total 27 $193,915

© 2026 Mantis Innovation. All Rights Reserved. CONFIDENTIAL AND PROPRIETARY TO Mantis Innovation.

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Defect Photo Album

Defect Group #: 0 Defect: 2 (2 EA) Boot defect - Boot is damaged or open allowing water to penetrate Recommendation: Form and install new 4-pound sheet lead VTR boot cap to seal. Turn down into VTR minimum 2 inches.

Defect Group #: 1 Defect: 1 (1 EA) Defective field or membrane wrap - High severity Recommendation: Remove deteriorated materials and remove from site. Clean surface with approved cleaner. Install a 3-course repair with liquid flashing material and polyester fabric.

Defect still present

Defect Group #: 2 Defect: 3 (3 EA) Debris (EA) - Debris on roof surface but not penetrating surface Recommendation: Remove materials / equipment / debris and properly dispose / store offsite.

Defect Group #: 3 Defect: 1 (7,695 SF) Mineral surface-cap deterioration - Degraded, embrittled, excessive cracks Recommendation: Clean surface with approved cleaner. Install a new system compatible liquid roof coating repair.

Defect still present

Defect Group #: 4 Defect: 2 (18 SF) Mineral surface-cap deterioration - Granules missing, exposing underlying felt Recommendation: Resurface worn areas in new mastic with granules embedded.

Defect Group #: 5 Defect: 1 (1 EA) Debris (EA) - Loose or light weight debris Recommendation: Remove materials / equipment / debris and properly dispose / store offsite.

Defect Group #: 6 Defect: 1 (1 EA) Open membrane corner - Unknown water penetration Recommendation: Repair open seams with fabric, mastic and granules in a three-course fashion. Typical of 4.

Defect still present

Defect Group #: 7 Defect: 1 (1 EA) Protective coating defects - Paint/galvanizing missing Recommendation: Scrape, clean, prime and coat with rust inhibiting paint.

Defect Group #: 8 Defect: 1 (466 LF) Deteriorated sealant - Mildly deteriorated Recommendation: Remove existing sealants, clean joint and properly install new backer rod and high-grade polyurethane sealant.

Defect Group #: 9 Defect: 1 (256 LF) Deteriorated sealant - Highly deteriorated Recommendation: Remove existing sealants, clean joint and properly install new backer rod and high-grade polyurethane sealant.

Defect Group #: 10 Defect: 1 (2,348 SF) Membrane aging - Membrane aging (minor) Recommendation: No action required at this time. Monitor and maintain.

Defect Group #: 11 Defect: 3 (7,788 SF) Membrane aging - Membrane aging (extensive) Recommendation: No action required at this time. Monitor and maintain.

Defect Group #: 12 Defect: 3 (15,610 SF) Membrane aging - High severity Recommendation: Repair open seams with fabric, mastic and granules in a three-course fashion.

Defect Group #: 13 Defect: 1 (460 LF) Flashing seam or side lap defects (LF) - Open > 1/2" into seam, no water penetration Recommendation: Repair open seams with fabric, mastic and granules in a three-course fashion. Typical of 165.

Defect still present

Defect Group #: 14 Defect: 1 (42 SF) Vegetation (SF) - Vegetation on roof Recommendation: Employ a qualified Landscape Contractor to properly trim trees off the building line.

Defect Group #: 15 Defect: 1 (1 EA) Spalling - High severity Recommendation: Remove loose matetrials from coping and properly dispose of offsite. Clean joint and properly install new backer rod and high-grade polyurethane sealant.

Defect Group #: 16 Defect: 1 (472 LF) Step, base, and cap flashing defects (LF) - Deteriorated sealant at reglet or top of cap flashing Recommendation: Remove existing sealants / mortar from the limestone coping head joints, clean, install backer rod and high-grade polyurethane sealant to seal. Typical of 125.

Defect Group #: 17 Defect: 2 (2 EA) Energy defect - See notes - Energy defect - See notes Recommendation: Employ a qualified Electrical Contractor to properly repair.