G90 Non authorized translation - English
Applicant:
OBERLAND GLAS AG Division Bauglas Siemensstraße
1 56422 Wirges
Object of approval :
Glass blocks according to DIN 18 175 for fire-proof glazings of fire resistance
class G 90 under DIN 4102-13 The above object of approval is hereby approved
under the general building inspectorate/building law requirements.*)
Validity : 22 March 2001 This General Building Inspectorate's Approval includes
seven pages and five annexes.
*) This general building inspectorate's approval replaces the Certificate of
Approval No. Z-19.14-526 of 22 March 1991.The
object of approval was first approved under the general building inspectorate/building
law requirements on 22 March 1991.
I. GENERAL PROVISIONS
1. This general building inspectorate's
approval is deemed to be the proof of usability of the object of approval as required
in the Land Building Regulations.
2. The general building inspectorate's approval does not substitute the permits,
approvalsand certificates legally required for building projects.
3. The general building inspectorate's approval is granted irrespective of the
rights of third parties, particularly private property rights.
4. The manufacturer and distributor shall, irrespective of further regulations
in the "Special Provisions", provide the user of the object of approval
with copies of the general building inspectorate's approval and shall inform the
user that the general building inspectorate's approval must be available at the
building site where the object of approval is being used. Copies of the general
building inspectorate's approval shall be presented to the authorities involved
upon request.
5. Only the complete general building inspectorate's approval may be reproduced/copied.
Publication of excerpts shall be subject to the approval of the Building Engineering
Institute. The text and drawings of promotional literature must not be contradictory
to the general building inspectorate's approval. Translations of the Approval
Certificate shall include the information "Translation of the German original
version, which is not authorized by the Building Engineering Institute".
6. The German Building Engineering Institute reserves the right to check that
the provisions of this general building inspectorate's approval have been observed,
either in the manufacturing plant or at the building site.
7. The general building inspectorate's approval may be withdrawn. The Provisions
of the general building inspectorate's approval may be supplemented and modified
at a later date, particularly if this is based on new engineering findings.
8.The building products listed in the general building inspectorate's approval
require proof of conformity and must be marked with the conformity marks (C-marks)
according to the conformity symbol regulationsof the Federal States.
II. SPECIAL PROVISIONS
1 Object of approval and application
1.1 Object of approval
1.1.1 The general building inspectorate's approval is applicable to the fabrication
of the fireproof glazing of glass blocks according to DIN 18 1751)
and its use as a component of fire resistance class G 90 according to DIN 4102-132).
1.1.2 The fireproof glazing shall be made of glass blocks according to DIN 18
1751), type "SOLARIS glass block 198 BSH 20", the reinforcement,
the fixing means, and, optionally,
a steel frame according to section 2.
1.2 Application
1.2.1 Fireproof glazings in accordance with this general building inspectorate's
approval prevent theflame and fire penetration for at least 90 minutes based
on the standard fire in accordance with DIN 4102-23), however, do
not prevent penetration of heat radiation. Therefore, they have to be installed
in places only where there are no reservations specified in the building inspectorate's
regulations as far as fire protection is concerned(e.g. as light openings in
corridor walls, with the bottom edge of the glazing being arranged at least
1.8 m above the floor).The admission of its application for each individual
case shall be decided by the relevant local building inspectorate.
1.2.2 The fireproof glazing shall be installed in vertical arrangement (installation
position > 80° to 90° ) in
- at least 11.5 cm thick walls or between masonry columns according to DIN 1053-14)
with bricks of at least strength class 12 and mortar of mortar group II or
- at least 10 cm thick walls or between concrete or reinforced concrete components
according to DIN 10455) of at least strength class B 10 or B15. The
components adjacent to all sides of the fireproof glazing shall be at least
of fire resistance class F 90 according to DIN 4102-23).
1.2.3 The admissible size of the fireproof glazing is max. 9 m2.
If the glass block fields are arranged vertically, the maximum admissible height
shall be 350 cm, when arranged horizontally, the maximum admissible width shall
be 600 cm.
1.2.4 It is permitted to arrange several fireproof glazings as one band of windows.
2 Provisions for the building products
2.1 Properties and composition
2.1.1 Glass blocks Glass blocks according to DIN 18 1751), type "SOLARIS
glass block 198 BSH 20", dimensions 190 mm x 190 mm x 80 mm shall be used
for fireproof glazings in accordance with this general building inspectorate's
approval (refer to annex 4). They must be undamaged.
2.1.2 Reinforcement Reinforcement bars dia. 6 mm or 8 mm of BSt 420/500 RU shall
be used in the horizontal and vertical joints.
2.1.3 Fixing means Dowels with steel bolts M 10 which are generally admitted by
the building inspectorate shall be used to fix the fireproof glazings at the reveals
of solid components.
2.1.4 The glass block fields may be optionally enclosed with a frame of U steel
sections, dimensions 120 mm x 55 mm x 7 mm.
2.2 Manufacturing and identification of building products
2.2.1 Manufacturing The appropriate provision of the sections 2.1.1 to 2.1.4 shall
be observed when manufacturing
the building products.
2.2.2 Identification
2.2.2.1 Identification of the building products The building products and the
packaging of the products or the delivery notes shall be identifiedby the manufacturer
with the compliance marks (C marks) in accordance with the compliance mark regulations
of the Federal States. Identification shall not be done unless the conditions
of section 2.3 concerning the compliance verification are met.
2.2.2.2 Identification of the fireproof glazing
Each fireproof glazing according to this general building inspectorate's approval
shall be identified by the completing or installing manufacturer with a steel
sheet plate showing the following embossed data:
- "Fireproof glazing of fire resistance class G 90 of glass blocks according
to DIN 18175".
- Name (and ident. No., if any) of the manufacturer having completed/installed
thefireproof glazing (refer to section 4.4).
- Name of the applicant (if any), if other than manufacturer.
- Approval No.: Z-19.14-526
- Year of manufacture ...The plate shall be screwed to the rim or frame of the
fireproof glazing (position see annex 1).
2.3 Compliance verification
2.3.1 General The building products required by the provisions of this general
building inspectorate's approval as glass block, frame sections, reinforcement
and fixing means shall not be used for the manufacturing of the fireproof glazing
unless the compliance verification required in the appropriate verification of
application is provided.
2.3.2 In-plant production control An in-plant production control shall be established
and implemented with each manufacturer of the building products. The provisions
of the German Building Engineering Institute for the in-plant production control
for building products6) shall be observed.The results of the in-plant
production control shall be recorded, evaluated and kept for at least five years.
They shall be produced on request by the German Building Engineering Institute
and the relevant superior building inspectorate.
3 Dimensioning provisions
As far as statics and fire prevention issues
are concerned, the lintel on top of the fireproof glazing shall be dimensioned
so that the fireproof glazing (except its dead weight) is not exposed to additionally
vertical stress.
4 Execution provisions
4.1 General The fireproof glazing must be assembled from the building products
according to section 2 at the place of installation.Fireproof glazings according
to this general building inspectorate's approval shall be executed only by companies
with sufficient experience in this field and who employ suitably trained personnel.
4.2 Assembly provisions
4.2.1 Provisions for assembling glass blocks The single-layer fireproof glazing
shall be bricked up with glass blocks according to section 2. Cement mortar
of group III according to DIN 1053-14) shall be used. A dia. 6 mm
reinforcement bar according to section 2 shall be inserted into every second
joint. For glass block fields up to a
height of 180 cm, a dia. 6 mm reinforcement bar according to section 2 shall
be inserted into all horizontal joints. From a height of 180 cm, a second dia.
6 mm reinforcement bar according to section 2 shall be inserted in addition
into the four lower horizontal joints. The vertical reinforcement bars must
lie inside and shall not be fixed to the horizontal reinforcement bars. Two
dia. 8 mm reinforcement bars each according to section 2 shall be arranged in
the circumferential outer rim strip of cement mortar, the width of which shall
be 50 to 100 mm (refer to annexes 2 and 4) .Furthermore, the provisions of DIN
norm 42427) shall be observed for the execution and dimensioning
of glass block fields.
4.2.2 Provisions for assembling the frameIf the glass block fields are enclosed
with a frame accordingto section 2, the corners of the frame shall be miter
cut and welded to each other. Steel parts of the frame which are not accessible
after assembly shall be provided with durable corrosion protection, steel parts
which are accessible after assembly shall be provided with priming coat which
remains effective at least for three months after the term of delivery.
4.2.3 The vertical joints of glass block fields with steel frame (see annex
3) enclosures which are arranged one beside the other shall be welded to each
other, and an approx. 10 mm thick non-flammable strip ofmineral fiber board
(building material class DIN 4102-A)8) shall be inserted between
the joints.
4.2.4 Joints (15 mm wide) between the glass block fields shall be provided for
glass block fields without steel frame enclosure which are arranged one beside
the other, which shall be completely filled by approx. 20 mm thick strips of
non-flammable mineral fiber board (building material class DIN 4102-A)8),
melting point above 1000 ° C and bulk density at least 30 kg/m3.
4.3 Provision for the installation of the fireproof glazing
4.3.1 The rim of the fireproof glazing must be covered completely by the adjacent
components. At their upper edge the glass block fields shall be fixed at a spacing
of 
150 cm - twice
at least - by means of dowels with steel bolts M 10 which are generally admitted
by the building inspectorate. The required minimum spacings of the dowels shall
be observed. The glass block fields shall be secured at their upper edge with
at least 100 mm long angle steel sections (see annex 2). Approx. 15 mm thick
strips of non-flammable mineral fiber board (building material class DIN 4102-A)8)
shall be inserted into all joints between the glass block fields and the reveals
of the adjacent solid components or the circumferential steel frame to form
expansion joints. The same shall be applicable to the formation of corners with
the glass block fields (refer to annex 3).
4.3.2 If the glass block fields are designed with a circumferential steel frame,
the upper steel frame section may be optionally welded to flat steel or angle
steel sections which shall be fixed to the reveals. The joints between the reveals
of the adjacent solid components and the steel frame of the fireproof glazing
shall be closed by means of non-flammable building materials, e.g. mortar of
mineral building materials or non-flammable mineral wool (building material
class DIN4102-A)8), the melting point of which shall be above 1000
° C.
4.4 Compliance certificate The contractor completing the fireproof glazing (object
of approval) shall issue a compliance certificate for each project certifying
that the fireproof glazing and the building products (e.g. frame sections, panes)
used for the fireproof glazing meet the provisions of this general building
inspectorate's approval (for a sample of this compliance certificate refer to
annex 5). This certificate shall be submitted to the principal for handing over
to the relevant building inspectorate, if necessary.
5 Provisions for application, maintenance
and servicing
5.1 Replacement of glass blocks If damaged
or broken glass block must be replaced, care should be taken to use glass blocks
which meet this general building inspectorate's approval. They shall be installed
according to the provisions.
5.2 Safety of use Relevant verification documents shall be prepared if requirements
are made to the fireproof glazing due to relevant safety regulations (e.g. shatterproof
design, protection from falling down).Prepared by Stöckel Certified -signature-
Stamp: German Building Engineering Institute
1) DIN 18 175: Glass blocks; requirements, tests (May 1977 edition)
2) DIN 4102-13: FIre behavior of building materials and components; fireproof
glazings; terms, requirements and tests (May 1990 edition)
3) DIN 4102-2: Fire behavior of building materials and components; components;
terms, requirements and tests (September 1977edition)
4) DIN 1053-1: Masonry; formula masonry; calculation and execution (February 1990
edition)
5) DIN 1045: Concrete and reinforced concrete; dimensioning and execution (July
1988 edition)
6) The provisions covering the in-plant production control for building products
are published inthe "Announcements" of the German Building Engineering
Institute which are available at the German Building Engineering Institute.
7) DIN 4242: Glass block walls; execution and dimensioning (January 1979 edition)
8) DIN 4102-1: Fire behavior of building materials and components; building materials,
terms, requirements and tests (May 1981 edition)
maximum admissible size of glazing: 9m2
maximum admissible height when arranging the glass block area in vertical format:
350 cm maximum admissible width when arranging the glass block area in horizontal
format: 600 cm Fireproof glazing with glass blocks acc. DIN 18175 of fire resistance
class G 90 DIN 4102 -- outline (execution sample)- Annex 1 to approval No. Z-19.14-526
dated 26/04/1996
Fireproof glazing with glass blocks acc. DIN 18175
of fire resistance class G 90 DIN 4102 -Section A-A and section B-B - Annex 2
to approval No. Z-19.14-526 dated 26/04/1996
Fireproof glazing with glass blocks acc. DIN 18175
of fire resistance class G 90 DIN 4102 - Joining, corner construction -
Annex 3 to approval No. Z-19.14-526 dated 26/04/1996
Item
1) Glass block type "SOLARIS 198 BSH
20", dimensions 190 x 190 x 80 mm according to DIN 18 175
2) Cement mortar joint 15 mm wide, mortar of group III
3) Joint reinforcement dia. 6 mm BSt 420/500 RU
4) Cement mortar rim strip. 50 mm 
b 
100 mm mortar of group
III, reinforcement 2 dia. 8 mm of BSt 420/500 RU
5)Steel frame section U 120 acc. to DIN 10 26
6) Non-flammable mineral fiber board (class DIN 4 102 A), d = 20 mm
7)Silicon sealant
8) Angle steel 50 x 50 x 5 mm, 1 100
mm at least four pieces per glass block field
9) Dowel generally admitted by building inspectorate
10) Masonry d 11.5 cm or
concrete d 10 cm
11) Flat steel 220 x 120 x 10 mm or steel angle, item 5 welded (optional)
12 ) Non-flammable mineral fiber board (class DIN 4102 A)strip 10 x 100 mm
Fireproof glazing with glass blocks acc. DIN 18175
of fire resistance class G 90 DIN 4102 - list of items - Annex 4 to approval
No. Z-19.14-526 dated 26/04/1996
Conformity Certificate
- name and address of the company which has manufactured
the
- Building site or building: ...
- Date of manufacture: ...
- Required fire resistance class of theThis is to certify that
- the
of fire resistance class.….concerning all components has/have been made
and installed in proper workmanship and in accordance with all provisions of
the general building inspectorate's approval No. Z-19.14-... of the German Building
Engineering Institute, Berlin, dated .... (and, if any, the provisions of the
modification and supplementary certificates dated ...).
- the building products (e.g. frames, panes) used to manufacture the object
of approval were marked in accordance with the provisions of the verification
of application (standard, general building inspectorate's approval or general
building inspectorate's test certificate).
........................ ..........................
(Place, date) (Company/signature)
(This certificate shall be handed over to the principal for submission to the
relevant building inspectorate).
Fireproof glazing with glass blocks acc. DIN 18175
of fire resistance class G 90 DIN 4102-13- Conformity Certificate -
Annex 5to approvalNo. Z-19.14-527 dated 26/04/1996
Legal basis for granting general approvals in accordance
with building inspectorate's (building laws)
| Baden-Wurttemberg: |
§18 and §21of Building Regulations for The
Baden-Wurttemberg Land (LBO) dated August 8, 1995 (Legal Gazette page
617 |
| Bavaria: |
Art. 21 and 24 of the Bavarian Building Regulations (BayBO)
in the version of the publication of April 18, 1994 (Legal Gazette
page 251) |
| Berlin: |
§19 and §21 of the Building Regulations for Berlin (BauOBln)
- in the version of January 1, 1996 (Legal Gazette page 29) |
| Brandebourg: |
§21 and §24 of Brandenburg Building Regulations (BbgBO)
dated June 1, 1994 (Legal Gazette I page 126)
|
| Bremen: |
§21 and §24 of the Bremen Building Regulations BremLBO
dated March 27, 1995 (Bremen Legal Gazette page 211) |
| Hamburg: |
§20 and §21 of Hamburg Building Regulations HBauO dated
July 1, 1986,(Hamburg Legal Gazette page 183), last amendment dated July
20, 1994
(Hamburg Legal Gazette page 221), in connection with Art. 4 sect. 3 of
the Regulation covering the cancellation and modification as well as the
enactment of new regulations in the field of building regulations dated
November 29, 1994 Hamburg Legal Gazette page 301) |
| Hesse: |
§21 and §24 of the Hesse Building Regulations HBO dated
December 20, 1993 (Legal Gazette I page 655) |
| Mecklenburg-Vorpommern: |
§18 and §21 of the Building Regulations for Vorpommern:
Mecklenburg-Vorpommern (LBauO M-V)dated April 26, 1994 (Legal Gazette
M-V page 518) |
| Lower Saxony: |
§25 and §27 of the Lower Saxony Building Regulations (NBauO)
-in the version dated July 13, 1995 (Lower Saxony Legal Gazette page 199)
|
| Northrhine Westfalia: |
§21 and §24 of the Building Regulations for the Land of
Northrhine Westfalia- Building Regulations (BauO NW) dated March 7, 1995
(NW Legal Gazette page 218) |
| Rhineland-Palatine: |
§19 and §21 of Building Regulations for the Rhineland-Palatine
Land (LBauO)
dated March 8, 1995 (Legal Gazette page 19)
|
| Saarland: |
§23 of the Saarland Building Regulations (LBO) dated November
10, 1988 - Law No. 1236 (Official publication page 1373) in connection
with Art. 2 Para. 1 Sect. 2 of the agreement covering the German Building
Engineering Institute (DIBt-agreement) (Legal Gazette for Berlin 1993
page 196)
|
| Saxony: |
§23 of the Saxon Building Regulations (SachsBO) dated July
17, 1992 (Saxony Legal Gazette No. 27 page 375) in connection with
Art. 2 Para. 1 Sect. 2 of the agreement covering the German Building Engineering
Institute (DIBt-agreement) (Legal Gazette for Berlin 1993 page 196) |
| Saxony-Anhalt: |
§21 and §24 of the Law covering the Building Regulation
of the Saxony-Anhalt Land (BauOLSA) dated June 23, 1994 (LSA Legal Gazette
page 723) |
| Schleswig Holstein: |
§24 and §27 of the Building Regulations for the Land of
Schleswig Holstein (LBO) in the version of July 11, 1994 (Legal Gazette
Schl.-H. page 321) |
| Thuringia: |
§21 and §23 of the Thuringian Building Regulations (ThurBO)
date June 3, 1994 (Legal Gazette page 553) |