academic resource center – concrete deck repair …steel that becomes exposed. prepare surface(s)...

ACADEMIC RESOURCE CENTER – CONCRETE DECK REPAIR LEHIGH CARBON COMMUNITY COLLEGE

Lehigh Carbon Community College Academic Resource Center – Concrete Deck Renovations 1 Roth LLC Architect & Planners

ADDENDUM NUMBER 2 June 7, 2019 CONTRACT NUMBER 1: Concrete Deck Repair The following clarifications shall be made part of the contract number 1 requirements:

1. The attached document comprised of concrete repair notes, details, and photos

LEHIGH CARBON COMMUNITY COLLEGE

ACADEMIC RESOURCE CENTER

4525 EDUCATION PARK DRIVE

SCHNECKSVILLE, PA

CONCRETE REPAIR NOTES:

For items A thru G below, see pictures 18 thru 31.

A. NORTH FACE OF EXISTING PRECAST CONCRETE BEAM IS SPALLING AT BEARING LOCATION.

a. REMOVE LOOSE/SOFT/DAMAGED CONCRETE AND CLEAN ANY RUSTED REINFORCING

STEEL THAT BECOMES EXPOSED. PREPARE SURFACE(S) AND APPLY SIKA ARMETEC 110

AND APPROVED REPAIR MORTAR.

B. FULL HEIGHT CRACK IN WALL; APPROX. WALL HEIGHT IS 11’-6”.

a. REMOVE LOOSE CONCRETE AND REPAIR CRACK WITH APPROVED, PRESSURE INJECTED

CRACK FILLER.

C. INTERIOR SURFACE OF CONCRETE WALL IS SPALLING BELOW TEE BEARING LOCATION; APPROX.

12” WIDE X 18” HIGH.




D. INTERIOR SURFACE OF CONCRETE WALL IS SPALLING BELOW TEE BEARING LOCATION; APPROX.

12” WIDE X 60” HIGH. ADDITIONAL SPALLING IS PRESENT NEAR THE BOTTOM OF THE WALL;

APPROX. 24” WIDE X 48” HIGH.




E. INTERIOR SURFACE OF CONCRETE WALL IS SPALLING BELOW TEE BEARING LOCATION; APPROX.

24” WIDE X 96” HIGH.




F. FULL HEIGHT CRACK AT INTERIOR SURFACE OF WALL.


CRACK FILLER.

G. RESEAL ALL JOINTS BETWEEN PRECAST CONCRETE TEE FLANGES.

a. REMOVE EXISTING JOINT FILLER MATERIAL, CLEAN SURFACES AND REPLACE WITH

BACKER ROD AND APPROVED EXPANSION JOINT MATERIAL.

H. STRUCTURAL CONCRETE TOPPING IS DETERIORATED.

a. REMOVE TOPPING AND REPLACE PER CONTRACT DRAWINGS. SEE PICTURES 1 THRU 6 &

32 THRU 38.

I. PRECAST CONCRETE SPANDREL PANEL IS DAMAGED DUE TO PROLONGED EXPOSURE TO WATER

AND DEICING PRODUCTS.



AND APPROVED REPAIR MORTAR. REMOVAL OF ADDITIONAL CONCRETE MAY BE

REQUIRED AROUND EXISTING REINFORCING. CONSULT WITH SIKA FIELD

REPRESENTATIVE. SEE PICTURES 7 THRU 12.

J. PRECAST CONCRETE SPANDREL PANEL IS DAMAGED DUE TO PROLONGED EXPOSURE TO WATER

AND DEICING PRODUCTS.



AND APPROVED REPAIR MORTAR. REMOVAL OF ADDITIONAL CONCRETE MAY BE

REQUIRED AROUND EXISTING REINFORCING. CONSULT WITH SIKA FIELD

REPRESENTATIVE. SEE PICTURE 39.

K. PATCH HOLE IN PRECAST CONCRETE SPANDREL PANEL WITH APPROVED REPAIR MORTAR.

REPAINT SURFACE AS DIRECTED BY ARCHITECT. SEE PICTURE 43.

L. FULL HEIGHT CRACK IN WALL. SEE PICTURES 40 THRU 42.


CRACK FILLER.

M. PATCH HOLE IN PRECAST CONCRETE SPANDREL PANEL WITH APPROVED REPAIR MORTAR.

REPAINT SURFACE AS DIRECTED BY ARCHITECT. SEE PICTURE 8.

• ALL REPAIR PRODUCTS SHALL BE MFD. BY SIKA. ALL PRODUCTS SHALL BE APPLIED PER SIKA’S

WRITTEN INSTRUCTIONS.

• APPROPRIATE SAFETY MEASURES SHALL BE FOLLOWED WHEN COMPLETING REPAIRS IN THE

ELECTRICAL VAULT ROOM.

K

J

14'

-4"

1 2

22'-0"

I

5'-

6"

18 19 20 21 22 23

24

25

26

27

28

29 31

30

A

B

C

D

E

F

EXISTING FENCE

INTO TRANSFORMER ROOM

ROTH, LLC

5735 E. LAKE RD.

ERIE, PA 16511

814-528-8873

DATE:

PROJECT NO.

DRAWING NO.

structural engineers

1606 N. 18th StreetRear BuildingAllentown, PA 18104610−730−2221

ROTH1901engineering, LLCCLIENT:

DRAWING TITLEPROJECT:

LEHIGH CARBON COMMUNITY COLLEGE ARC CONCRETE REPAIR

4525 Education Park Drive, Schnecksville, PA

PIC-1

GROUND FLOOR - ELECTRICAL VAULT ROOM

6/7/2019

K

J

1 2 3

22'-0" 11'-4"

I

H

1

2

4

3

5

6

7 8

9

10

11 12

13

14

I

M

HSEE CONCRETE

REPAIR NOTE

ROTH, LLC

5735 E. LAKE RD.

ERIE, PA 16511

814-528-8873

DATE:

PROJECT NO.

DRAWING NO.







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AREA 2A TERRACE

6/7/2019

K

J

I

H

8 9 10

32

33

34

35 36

37

38

3940 41

42

43

K

J

LH

SEE CONCRETE

REPAIR NOTE

ROTH, LLC

5735 E. LAKE RD.

ERIE, PA 16511

814-528-8873

DATE:

PROJECT NO.

DRAWING NO.







PIC-3

AREA 2B TERRACE

6/7/2019

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