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LAUREL INTERMEDIATE / MIDDLE SCHOOL
CONDITIONAL ASSESSMENT
PRESENTED BY: JIM BAKER, P.E.
MACINTOSH ENGINEERING
APRIL 9, 20...
CONDITIONAL ASSESSMENT
(1921 BUILDING ASSESSMENT)
•ROOF & FLOOR CONSTRUCTION
•ROOF CONSTRUCTION
•1ST & 2ND FLOOR FRAMING C...
1921 ORIGINAL STRUCTURE
OVERALL BUILDING LAYOUT PLAN
ROOF & FLOOR CONSTRUCTION
EXISTING ROOF CONSTRUCTION
- SIGNS OF WATER INFILTRATION IN 2ND FLOOR CEILING
ROOF & FLOOR CONSTRUCTION
EXISTING ROOF CONSTRUCTION
- ANTICIPATE ROOF REINFORCING FOR NEW MECHANICAL
UNITS & PLUMBING
ROOF & FLOOR CONSTRUCTION
- ANTICIPATE NEW FLOOR OPENINGS
- REQUIRES REINFORCING OF EXISTING FLOOR FOR NEW
OPENINGS & FLOO...
INTERIOR & EXTERIOR BRICK WALLS
- EXISTING AREAS OF HORIZONTAL & STEP CRACKING
- ANTICIPATE NEW OPENINGS IN EXISTING WALLS...
INTERIOR BEARING WALLS
INTERIOR & EXTERIOR BRICK WALLS
EXISTING HORIZONTAL CRACKING CONDITION
INTERIOR & EXTERIOR BRICK WALLS
EXTERIOR BRICK WALLS
- CRACKING AT EXTERIOR BRICK CHIMNEY LOCATION
INTERIOR & EXTERIOR BRICK WALLS
EXTERIOR BRICK WALLS
- EVIDENCE OF WATER INFILTRATION ON WALLS &
WINDOWS
INTERIOR & EXTERIOR BRICK WALLS
EXISTING STEEL LINTELS
- CORROSION OF EXISTING EXTERIOR STEEL LINTELS
INTERIOR & EXTERIOR BRICK WALLS
EXISTING STEEL LINTELS
STEEL LINTEL CORROSION CONDITION
INTERIOR & EXTERIOR BRICK WALLS
STEEL LINTEL CORROSION CONDITION
EXISTING STEEL LINTEL
INTERIOR & EXTERIOR BRICK WALLS
EXISTING CONCRETE KNEEWALL
- VERITICAL & OPEN CRACKS IN CONCRETE KNEEWALL
INTERIOR & EXTERIOR BRICK WALLS
VERTICAL CRACKS AT CONCRETE KNEEWALL
ARCHITECTURAL FEATURES
LIMESTONE FEATURES
- REQUIRES EXTENSIVE STRUCTURAL ASSESSMENT TO
BE PERFORMED TO DETERMINE CONDITIO...
ARCHITECTURAL FEATURES
LIMESTONE FEATURES
- DETERIORATION OF LIMESTONE HEADER BLOCKS
ABOVE WINDOWS
ARCHITECTURAL FEATURES
LIMESTONE FEATURES
- VERTICAL CRACKING IN LIMESTONE & DETERIORATED
JOINTS
ARCHITECTURAL FEATURES
LIMESTONE FEATURES
- SPALLING AT LIMESTONE ARCHITECTURAL COLUMNS
ARCHITECTURAL FEATURES
LIMESTONE FEATURES
- SPALLING / CRACKING OF LIMESTONE COPING &
DETERIORATED JOINTS
MISCELLANEOUS ITEMS
MISCELLANEOUS ITEMS REQUIRING REMEDIATION
- EXISTING PARAPET WALL REMEDIATION
- EXISTING STAIRS AT EAS...
SUMMARY
REQUIRED REMEDIATION ITEMS
- CONCRETE SPALLING AT FIRST FLOOR FRAMING
- BRICK WALL CRACKING
- WATER INFILTRATION A...
SUMMARY
ANTICIPATED STRUCTURAL RENOVATION ITEMS
- ROOF STRUCTURE REINFORCING FOR NEW MEP
SYSTEMS
- FLOOR STRUCTURE REINFOR...
QUESTIONS
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LIMS Conditional Assessment Presentation; 4-9-14

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LIMS Conditional Assessment Presentation; 4-9-14

  1. 1. LAUREL INTERMEDIATE / MIDDLE SCHOOL CONDITIONAL ASSESSMENT PRESENTED BY: JIM BAKER, P.E. MACINTOSH ENGINEERING APRIL 9, 2014
  2. 2. CONDITIONAL ASSESSMENT (1921 BUILDING ASSESSMENT) •ROOF & FLOOR CONSTRUCTION •ROOF CONSTRUCTION •1ST & 2ND FLOOR FRAMING CONSTRUCTION •INTERIOR & EXTERIOR BRICK WALLS •INTERIOR BEARING WALLS •EXTERIOR BEARING WALLS •EXISTING STEEL LINTELS SUPPORTING BEARING WALLS •EXISTING CONCRETE KNEEWALL •ARCHITECTURAL FEATURES •LIMESTONE COPING / ARCHITECTURAL FEATURES •MISCELLANEOUS ITEMS •ITEMS REQUIRING REMEDIATION
  3. 3. 1921 ORIGINAL STRUCTURE OVERALL BUILDING LAYOUT PLAN
  4. 4. ROOF & FLOOR CONSTRUCTION EXISTING ROOF CONSTRUCTION - SIGNS OF WATER INFILTRATION IN 2ND FLOOR CEILING
  5. 5. ROOF & FLOOR CONSTRUCTION EXISTING ROOF CONSTRUCTION - ANTICIPATE ROOF REINFORCING FOR NEW MECHANICAL UNITS & PLUMBING
  6. 6. ROOF & FLOOR CONSTRUCTION - ANTICIPATE NEW FLOOR OPENINGS - REQUIRES REINFORCING OF EXISTING FLOOR FOR NEW OPENINGS & FLOOR INFILL - NEW MECHANICAL PIPING LOCATED IN CORRIDORS - WILL REQUIRE REINFORCING / STEEL PLUMBING SUPPORT FRAME TO SUPPORT NEW PIPING - CONCRETE REPAIR OF EXISTING FIRST FLOOR - REPAIR OF EXISTING SPALLING CONCRETE SUPPORT MEMBERS - POTENTIAL REINFORCING OF EXISTING FLOOR LOCATED UNDER CURRENT LIBRARY - DEPENDENT ON FUTURE USAGE & EXISTING FRAMING CAPACITY 1ST & 2ND FLOOR CONSTRUCTION
  7. 7. INTERIOR & EXTERIOR BRICK WALLS - EXISTING AREAS OF HORIZONTAL & STEP CRACKING - ANTICIPATE NEW OPENINGS IN EXISTING WALLS - FOR ADA ACCESSIBILITY & MECHANICAL OPENINGS INTERIOR BEARING WALLS
  8. 8. INTERIOR BEARING WALLS INTERIOR & EXTERIOR BRICK WALLS EXISTING HORIZONTAL CRACKING CONDITION
  9. 9. INTERIOR & EXTERIOR BRICK WALLS EXTERIOR BRICK WALLS - CRACKING AT EXTERIOR BRICK CHIMNEY LOCATION
  10. 10. INTERIOR & EXTERIOR BRICK WALLS EXTERIOR BRICK WALLS - EVIDENCE OF WATER INFILTRATION ON WALLS & WINDOWS
  11. 11. INTERIOR & EXTERIOR BRICK WALLS EXISTING STEEL LINTELS - CORROSION OF EXISTING EXTERIOR STEEL LINTELS
  12. 12. INTERIOR & EXTERIOR BRICK WALLS EXISTING STEEL LINTELS STEEL LINTEL CORROSION CONDITION
  13. 13. INTERIOR & EXTERIOR BRICK WALLS STEEL LINTEL CORROSION CONDITION EXISTING STEEL LINTEL
  14. 14. INTERIOR & EXTERIOR BRICK WALLS EXISTING CONCRETE KNEEWALL - VERITICAL & OPEN CRACKS IN CONCRETE KNEEWALL
  15. 15. INTERIOR & EXTERIOR BRICK WALLS VERTICAL CRACKS AT CONCRETE KNEEWALL
  16. 16. ARCHITECTURAL FEATURES LIMESTONE FEATURES - REQUIRES EXTENSIVE STRUCTURAL ASSESSMENT TO BE PERFORMED TO DETERMINE CONDITION - VERIFY FASTNERS OF LIMESTONE SECTIONS TO EXISTING SUBSTRATE - PERFORM SOUNDING TEST TO DETERMINE CONDITION
  17. 17. ARCHITECTURAL FEATURES LIMESTONE FEATURES - DETERIORATION OF LIMESTONE HEADER BLOCKS ABOVE WINDOWS
  18. 18. ARCHITECTURAL FEATURES LIMESTONE FEATURES - VERTICAL CRACKING IN LIMESTONE & DETERIORATED JOINTS
  19. 19. ARCHITECTURAL FEATURES LIMESTONE FEATURES - SPALLING AT LIMESTONE ARCHITECTURAL COLUMNS
  20. 20. ARCHITECTURAL FEATURES LIMESTONE FEATURES - SPALLING / CRACKING OF LIMESTONE COPING & DETERIORATED JOINTS
  21. 21. MISCELLANEOUS ITEMS MISCELLANEOUS ITEMS REQUIRING REMEDIATION - EXISTING PARAPET WALL REMEDIATION - EXISTING STAIRS AT EAST AND WEST SIDES OF BUILDING REMEDIATION - EXISTING CONCRETE STAIRS ACCESSING BASEMENT - EXISTING FRONT ENTRANCE STAIRS
  22. 22. SUMMARY REQUIRED REMEDIATION ITEMS - CONCRETE SPALLING AT FIRST FLOOR FRAMING - BRICK WALL CRACKING - WATER INFILTRATION AT WINDOWS & ROOF - EXTERIOR CHIMNEY REMOVAL - EXTERIOR STEEL LINTEL REPLACEMENT - CONCRETE KNEEWALL CRACK REPAIR AT BUILDING BASE - REPAIR OF DELAMINATED LIMESTONE FEATURES - AMOUNT OF REPAIRS DEPENDENT ON RESULTS OF AN EXTENSIVE STRUCTURAL SURVEY - REINFORCING OF PARAPET WALL - EXISTING FRONT ENTRANCE AND BASEMENT STAIR
  23. 23. SUMMARY ANTICIPATED STRUCTURAL RENOVATION ITEMS - ROOF STRUCTURE REINFORCING FOR NEW MEP SYSTEMS - FLOOR STRUCTURE REINFORCING FOR NEW MEP SYSTEMS - NEW LINTELS SUPPORTING LARGER WALL OPENINGS - NEW EXTERIOR RAMPS / STAIRS - NEW ELEVATOR - TOILET ROOM RENOVATIONS AND OTHER MISCELLANEOUS CODE REQUIRED ROOM UPGRADES
  24. 24. QUESTIONS

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