Meva MevaLite Manual del propietario

Technical Instruction Manual

June 2022

MevaLite

ML-2

MevaLite

MevaLite is a modular formwork system that can be either handset or

gang formed. It is suitable for use on residential, commercial, industrial

and highway projects.

The panels are composed of closed proﬁle powder coated aluminum

frames and a high grade alkus composite facing that provides an

excellent concrete ﬁnish. Panels are connected with the MEVA assembly

lock which results in fast and ecient assembly with no nuts and bolts.

A complete formwork assembly including accessories weighs about 12

psf. Panels are designed for a maximum lateral concrete pressure of 1350

psf when properly supported.

MevaLite panels are available in 4 different heights (9’, 6', 4’, and 3’) and

in 5 different widths (3’, 2’, 1’-6”, 1’-0”, and 6”). In addition, 2’-6" wide

multi-purpose panels are available in each height. These panels have

multi-adjustment proﬁles for placing ties or column clamps and are ideal

for forming 90° corners, columns, pilasters, and connections to existing

walls.

Introduction

Available accessories include aluminum ﬁllers (1”, 2”, and 3”), inside

corners (12”x12”), outside corners, push-pull props, and walkway

brackets. Threaded nuts built into the panels allow for easy attachment

of accessories.

Please check here for the most up to date manual:

https://www.meva.net/en-us/tools-downloads/downloads

And please check here for the MEVA YouTube channel:

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Wall formwork

Technical Instruction Manual / June 2022

MevaLite

ML-3

Safety Rules &

Recommendations:

ÆThis manual contains information and instructions on how to use

MEVA equipment in a safe and ecient manner. All construction

personnel involved with the use of this equipment (“User”) must be

familiar with the contents of this manual.

ÆThe user is responsible for identifying and complying with all

applicable government regulations, codes, and ordinances in the use

of this equipment.

ÆMEVA equipment must be erected, used, and dismantled in

accordance with this manual, safe practices, and all applicable

industry standards developed and published by the American

Concrete Institute (ACI), the American National Standards Institute

(ANSI) and the Occupational Safety and Health Administration

(OSHA). Additional workplace safety precautions should be taken

where necessary.

ÆMost examples shown are standard applications that will occur in

practice most often. For applications not covered in this manual,

please contact your MEVA representative for advice.

ÆMany of the details in this manual show speciﬁc conditions and

situations during different stages of assembly and are therefore not

always complete. Any equipment or safety accessories not shown in

the details must still be used in accordance with all applicable rules

and regulations.

ÆIn order to assure proper ﬁt and load capacity, do not combine this

equipment with components of other manufacturers unless directed

by a MEVA representative.

ÆThe user must inspect all equipment before each use. Never use

equipment that is damaged, deformed, or weakened due to wear or

corrosion.

ÆNever oil or wax MEVA assembly locks.

ÆThe user must ensure the stability of all components during all

phases of construction.

ÆFor gang formwork, the user should always establish the number

and location of lift points to equalize load on lift brackets and

ensure that no individual component is overloaded.

ÆIt is the user’s responsibility to adjust the pour rate and placement

methods in accordance with ACI 347 for the concrete mixture and

the speciﬁc jobsite conditions at the time of placement so that the

speciﬁed maximum lateral concrete pressure is never exceeded.

ÆCertain applications will result in a maximum lateral concrete

pressure lower than the system panel capacity. Refer to speciﬁc

sections of this manual, MEVA application drawings, or consult your

MEVA representative.

ÆWhen stripping gang formwork, never use the crane to break the

concrete bond. Instead, use suitable tools such as pry bars or wood

wedges. Secure the lift brackets prior to removal of ties, anchors,

and/or bracing.

ÆDo not nail into aluminum panel frames.

Contents

The MevaLite Panel................................................................................4

Multi-Purpose Panels .............................................................................5

The alkus Sheet......................................................................................6

Panel Connection...................................................................................7

Tie Systems............................................................................................8

System Panel Sizes ..........................................................................9 - 11

Tie Placement ......................................................................................12

Stacking Panels....................................................................................13

90°Corners ...................................................................................14 - 17

Articulated Corners.......................................................................18 - 20

Stripping Corners..........................................................................21 - 27

Columns .......................................................................................28 - 29

Fillers ............................................................................................30 - 31

Intersections ........................................................................................32

Bulkheads ....................................................................................33 - 34

Adjoining Walls....................................................................................35

Pilasters ...............................................................................................36

Pilasters at Corners ..............................................................................37

Wall Offsets.........................................................................................38

Vertical Offsets ....................................................................................39

Horizontal Panels .................................................................................40

Wall Braces...................................................................................41 - 43

Form Walkways ...................................................................................44

Crane Hook .........................................................................................45

Gang Forming...............................................................................46 - 47

Adjustable Shearwall Bracket...............................................................48

Assembly, Erection and Stripping ..................................................49 - 54

Transport .............................................................................................55

Service.................................................................................................56

Notes............................................................................................57 - 58

Product List..........................................................................................59

Wall formwork

Technical Instruction Manual / June 2022

ML-4

MevaLite

The MevaLite Panel

Fig. 4.1

MevaLite panel

Fig. 4.2

The aluminum frames are

manufactured of closed proﬁles which

are welded in mitered joints. These

proﬁles are provided with a groove

and an integrated protection for the

forming face.

Fig. 4.3

Large tie pockets allow for easy

insertion of any tie system (taper ties,

she-bolts, thru-rods).

Fig. 4.4

Pioneering panel connection with

MEVA assembly lock.

Fig. 4.5

The ergonomically designed cross

stiffeners are also made of closed

aluminum proﬁles. The proﬁles have

the shape of a bone: they are easy

to grab, and the risk of injuries is

eliminated.

Fig. 4.6

The multi-function proﬁles have

Dywidag threaded nuts inside which

allow for fast and safe attachment of

accessory parts.

Fig. 4.7

The tie-off bar allows safe working

on the formwork. Under no

circumstances should panels be lifted

or moved using these tie-off bars.

Tie-off bars should only be used with

suitable positioning device systems

as described in OSHA 1926-502(e),

supplied by others.

Or, provided the user adhere to

the guidance set forth in OSHA

1926.502(d)(15), 1926.502(d)(15)(i),

1926.502(d)(15)(ii), and all associated

sections, these tie-off bars may

be used with personal fall arrest

systems that meet the requirements

set forth in OSHA. It is the end

user's responsibility to ensure OSHA

requirements are met.

Fig. 4.1

Fig. 4.6

Fig. 4.5

Fig. 4.4

Fig. 4.3

Fig. 4.2

Fig. 4.7

Wall formwork

Technical Instruction Manual / June 2022

MevaLite

ML-5

Multi-purpose Panels

Multi-function proﬁle

Frame

Standard tie hole

Dywidag-threaded nuts

Holes with threaded nuts in frame at

multi-adjustment proﬁle elevation

Tie-off bar

Ø 1 1/16"

Fig. 5.1

Fig. 5.3

The multi-purpose panels are ideal

for forming 90° corners, columns,

pilasters, bridge abutments and

connections to existing walls.

The panels are provided with multi-

adjustment proﬁles where column

clamps or ties are mounted.

The panels come with pilot holes

on the back side for drilling

selected tie holes at exact

locations.

Plug the unneeded tie holes with

Plug D27/30.

The 9’ panels have 3 multi-

adjustment proﬁles, the 6’ and 4’

panels have 2 multi-adjustment

proﬁles and the 3’ panel has 1

multi-adjustment proﬁle.

Threaded sleeves are also provided

on the frame sides at each tie hole

elevation for tensioning screw

connections.

Description Ref.-No.

ML-multi-purpose panels

9’x2.5’.......................................22-500-25

6’x2.5’.......................................22-501-25

4’x2.5’.......................................22-502-25

3’x2.5’.......................................22-503-25

Plug D27/30 ..............................29-902-61

Multi-adjustment proﬁle

Ø 1 1/16" to Ø 1 1/4" conical

Threaded sleeves

for tensioning

screw connections.

2’-6”

3”

1 ½” 2” 2” 2” 2” 2” 2” 2” 2” 2” 2” 2” 2”

Ø1 1/16”

1 ½”

Fig. 5.2

Wall formwork

Technical Instruction Manual / June 2022

ML-6

MevaLite

The poly-propylene and aluminum

composite forming face has all

the positive properties of plywood

plus important advantages: longer

life span, greater load-bearing

capacity, better nail-holding ability,

fewer and easier repairs, 100 %

recyclability.

Besides the obvious advantages,

such as considerably reduced

cleaning effort, minimum

consumption of release agent

and an excellent concrete ﬁnish,

alkus offers substantial ecological

beneﬁts. Substituting plastic

for wood saves valuable timber

resources. Also, the release of

highly toxic dioxin is avoided,

which is released in the process of

burning plywood (that is bonded

with phenolic resin). Used or

damaged alkus plastic sheets can

be recycled into the same product.

It is 100% recyclable, and the

manufacturer guarantees reaccept-

ance.

Fig. 6.3: Composite alkus plastic sheet structure

Frame proﬁle + plywood face Frame proﬁle + alkus sheet

Fig. 6.1: Negative impression in the concrete when using

panels with a conventional plywood face

Fig. 6.2: Smooth and even concrete surface as there is no

projecting proﬁle of the panel frame

Plastic layer

Aluminum layer

Foamed plastic core

Aluminum layer

Plastic layer

The alkus Sheet

Wall formwork

Technical Instruction Manual / June 2022

MevaLite

ML-7

The panels are connected

quickly and eciently with the

EA-assembly lock regardless of

their orientation (Fig.7.1, 7.2).

The lock can be attached on the

frame at any position, and its

5-point contact not only draws

the panels together but aligns

them as well. Only a few hammer

blows are needed to create a

safe connection with perfect

alignment. Since the lock weighs

only 3.3lbs. it can be handled

easily.

Standard lock requirements are

shown in Figure7.4. Additional

locks are required for columns

and outside corners (refer to

respective sections for details).

Panels with aluminum or wood

ﬁllers in between are connected

with the Uni-assembly lock22,

which can accommodate a

maximum ﬁller width of 6.5"

(Fig.7.5).

Panel Connection

Description Ref.-No.

EA-assembly lock .......................29-205-50

Uni-assembly lock 22 .................29-400-85

Fig. 7.1 EA-assembly lock

Fig. 7.2 EA-assembly lock Fig. 7.3 EA-assembly lock

5-point contact

Standard Lock Requirements

Panel Edge Length Number of Locks

9' 4

6' 3

4' thru 1'-6" 2

1', 6" 1

Fig. 7.4 Fig. 7.5 Uni-assembly lock 22

6.5" MAXIMUM

Wall formwork

Technical Instruction Manual / June 2022

ML-8

MevaLite

Tie Systems

Description Ref.-No.

Articuated ﬂange nut 15/120................................29-900-10

5/8" (15mm) Taper Tie Stock Sizes

16/41 - 16" Taper length, 41" Overall ..........2-500-2990131

24/49 - 24" Taper length, 49" Overall ..........2-500-2990133

32/57 - 32" Taper length, 57" Overall ..........2-500-2990135

Description Ref.-No.

Rental

5/8" (15mm) Threadbar 18".........................2-500-2990158

5/8" (15mm) Threadbar 42".........................2-500-2990156

5/8" (15mm) Threadbar 54".........................2-500-2990154

5/8" (15mm) Threadbar 72".........................2-500-2990152

Articuated ﬂange nut 15/120................................29-900-10

Purchase

5/8" (15mm) Plastic Spacer Cone ................. 2-500-2990252

1" Stripping Tool for 5/8" Spacer Cone.........2-500-2990233

3/4" PVC Pipe Sch40 20ft ............................2-500-2990244

Description Ref.-No.

Rental

5/8" (15mm) Pass-Thru She-Bolt x 19"..........2-500-2990173

Articuated ﬂange nut 15/120................................29-900-10

Purchase

5/8" (15mm) Threadbar 19'-1".....................2-500-2990140

5/8" (15mm) Neoprene Waterstop............... 2-500-2990237

Description Ref.-No.

Rental

5/8" (15mm) Steel Setting Cone...................2-500-2990180

5/8" (15mm) Threadbar 18".........................2-500-2990158

Articuated ﬂange nut 15/120................................29-900-10

Purchase

5/8" (15mm) Threadbar 19'-1".....................2-500-2990140

5/8" (15mm) Neoprene Waterstop............... 2-500-2990237

Fig. 8.1 - 5/8" (15mm) Taper Tie, 1" to 3/4"

Fig. 8.2 - 5/8" (15mm) Threadbar

Fig. 8.3 - 5/8" (15mm) Pass-Thru She-Bolt

Fig. 8.4 - 5/8" (15mm) She-Bolt Steel Cone

5/8" (15mm) Taper Tie

5/8" (15mm) Threadbar

5/8" (15mm) Pass-

Thru She-Bolt X

19"long

5/8" (15mm) 18"Threadbar

(Reusable)

Articulated

ﬂange nut 15/120

Articulated

ﬂange nut 15/120

Articulated ﬂange nut 15/120

Neoprene

Waterstop

Neoprene Waterstop

(if needed)

5/8" Spacer

Cone 1 1/2" Cone Depth

3/4" PVC Pipe Schedule 40

Length = Wall Thickness - 2"

5/8" (15mm) Threadbar Inner Tie Rod (Consumed)

Length = Wall Thickness - 4"

5/8" (15mm) Threadbar Inner Tie Rod (Consumed)

Length = Wall Thickness - 4"

5/8" (15mm) Steel

Setting Cone

5/8" (15mm) Taper Tie

SWL = 18.75 KIPS

Factor of Safety = 2:1

5/8" (20mm) Threadbar

SWL = 21.9 KIPS

Factor of Safety = 2:1

5/8" (15mm) Pass-Thru

She-Bolt

SWL = 21.9 KIPS

Factor of Safety = 2:1

5/8" (15mm) She-Bolt Steel Cone

SWL = 21.9 KIPS

Factor of Safety = 2:1

4" Taper

Wall formwork

Technical Instruction Manual / June 2022

MevaLite

ML-9

System Panel Sizes

Panel height: 9’

Panel height: 6’

High degree of ﬂexibility

The formwork is extended in

height using panels assembled

vertically or horizontally on top

of the lower panels. The wide

range of panel heights and widths

ensures:

ÆEconomical height extension

in 6” increments through

combined horizontal and vertical

assembly.

ÆUniform joint grid.

Vertical joints:

For 3’ high panels, you need just

one 5/8” (15 mm) tie.

The 4’ and 6’ high panels require 2

ties and the 9’ high panels require

3 ties.

In general, all tie positions pre-

determined by the system must

be used.

Fig. 9.6 Fig. 9.7 Fig. 9.8 Fig. 9.9 Fig. 9.10

Fig. 9.1 Fig. 9.2 Fig. 9.3 Fig. 9.4 Fig. 9.5

1'-3" 3'-6"

1'-3"

6" 1' 1'-6" 2' 3'

1'-3" 3'-3" 1'-3"3'-3"

6" 1' 1'-6" 2' 3'

9 x 1 9 x 1.5 9 x 2 9 x 3

9 x 0.5

6 x 1 6 x 1.5

6 x 0.5

6 x 2 6 x 3

Wall formwork

Technical Instruction Manual / June 2022

ML-10

MevaLite

System Panel Sizes

High degree of ﬂexibility

The formwork is extended in

height using panels assembled

vertically or horizontally on top

of the lower panels. The wide

range of panel heights and widths

ensures:

ÆEconomical height extension

in 6” increments through

combined horizontal and vertical

assembly.

ÆUniform joint grid.

Vertical joints:

For 3’ high panels, you need just

one 5/8” (15 mm) tie.

The 4’ and 6’ high panels require 2

ties and the 9’ high panels require

3 ties.

In general, all tie positions pre-

determined by the system must

be used.

Panel height: 4’

Panel height: 3’

Fig. 10.1 Fig. 10.2 Fig. 10.3 Fig. 10.4 Fig. 10.5

6" 1' 1'-6" 2' 3'

4 x 1 4 x 1.5 4 x 2 4 x 3

4 x 0.5

Fig. 10.6 Fig. 10.7 Fig. 10.8 Fig. 10.9 Fig. 10.10

1'-6"

6" 1' 1'-6" 2' 3'

3 x 1

3 x 1.5

3 x 2

3 x 3

3 x 0.5

1'-6"

Wall formwork

Technical Instruction Manual / June 2022

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