Green Houses/ Polyhouses

A. Technical specifications for naturally ventilated Poly House.

** Products with BIS standards only are accepted.

Items Description / specifications
Product Naturally ventilated green house/ Poly house
Size The following 4 slabs are proposed in the
programme

a. 200-560 sq.mts
b. 560-1008 sq.mts
c. 1008-2080 sq.mts
d. 2080-4000 sq.mts and above.
Orientation Preferably North South gutter direction
Width of each bay 8 meters

Distance between consecutive 4.0 m

column pipes
Area (m2) Plane land (m) Hilly area (m)

200-560 6.5 6.25

Ridge (Central ) height 560-1008 6.5-7.5 7
1008 to 4000 6.5-7.5 7 to 7.5
1.0-1.2 m vertical height and 1.3 to 1.5 m slanting
Ridge vent height; roof ventilator should be provided in slanting
position.
4 mt- upto 560sq.mts Poly house and 4.0 - 4.5mt
Gutter height from 1000sq.mt onwards from the ground level
(based on area of green house and climatic
conditions)
Gutter slope 1.25-2%
Longitudinal slope 0-2%
2 mm thick and 450 mm width GI Sheet with
Gutter material perimeter of 450 mm and with industrial press, 100%
leakage proof of galvanized sheet minimum of 275
GSM ( grams per sq.mt.) Zinc coating.

Gothic shape with roof and side ventilation. The

structure is designed to be enough to with stand
Structural design wind speed minimum 120 km / hour. It is to provide
provision for opening one port at either side for entry
of small tractor / power tiller for inter cultural
practices.
Complete structure made of hot dip galvanized steel
tubular pipes with a minimum of 360 GSM (with Zinc
coated on continuous procedure to meet the quality
Structure requirements or equivalent section confirming). BIS
standards having wall thickness 2mm; structural

1
 Items Description / specifications
member should be joined with fasteners (HOT Dip
Galvanized nuts and bolts) Properly.
Columns 76mm OD,2mm thick. Hot Dip 360GSM GI.
Trusses of 8 m long preferably Bottom cord 60mm OD, 2mm thick, 8 mt. long, Hot
without joints for better load Dip 360 GSM GI.
bearing.
50mm OD with 2mm thickness. Bracing 33mm OD
Trusses member/ Arch’s with 2.0mm thickness G.I. Pipe Structural members
to be fitted in plated nuts, bolts and washers without
welding. (33 mm bracing to increase the strength
and to with stand vertical and horizontal pressures.)
Stay/ Hockey pipes 60mm OD with 2mm thickness, fixed in the ground
without any joints and welding at a distance of 2.5 m.
Purline 48 mm OD with 2.0mm thickness at ridge gutter arch
and 42/43 OD with 2.0 mm thickness for 2nd purline.
Purline member and other 43 mm,2mm thickness
Horizontal bracings 42mm OD with 2mm thickness horizontal bracing 2
No’s must provide each bay in both sides.
Every 3rd column top to 2nd column bottom of both
Cross Bracing sides must be connected 42mm OD with 2mm
thickness GI pipe to ground the wind load. (In
vegetable Poly houses to take the weight of the crop
and transfer the wind pressure cross bracings are
essential).
Bottom to pillar Bracing 33mm OD with 2mm thickness 1.2m long bracing to
be fixed from pillar to bottom.
Insert GI Pipes of minimum 76mm OD 3mm
thickness with 1mm tapered top 1ft. or more to have
Foundations foundation depth of not less than100cm or more
depth depending upon soil type and prevailing wind
condition, grouted with cement concrete mixture of
1:2:3 using telescopic insertion of column.
(or)
GI Pipes of minimum 60 mm OD & 3mm thickness
(@4.20 kg/m)
Fasteners All nuts and bolts must be of high tensile strength
and HOT dip galvanized.
One entrance room of size 3x3x2.5 mts. (LxWxH)
Entrance room Indoor (not required need to be provided and covered with Poly
upto 560 sq.mt. from 1000sq. mts it carbonate UV stabilized transparent with sliding
is required.) arrangement. Outer hinge door of size 1.5m width
and 2.5m height and sliding type.
UV stabilized 200 micron 5 layers co-extruded anti
Cladding material (Poly film) drip/mist, anti dust, diffused/ IR blocking (sulphur
resistant for Rose) having minimum 85% level of
light transmittance.
All ends/ joints of plastic film need to be fixed with
Fixing of cladding materials two way aluminium (220grams/RM) / GI with 0.6 mm
thickness profiles with suitable locking arrangements
2
 Items Description / specifications
along with curtain top. Fixing of cladding material
shall be done between 11.00 AM to 3.00 PM
Zig zag spring high carbon steel with spring action
Spring insert wire, galvanized of 2-3 mm diameter must be
inserted to fix shade net/ Polyfilm/ insect proof net
into aluminium / GI profile.
i)UV stabilized 200 micron 5 layers co-extruded
transparent plastic film should be provided as
curtains on all sides having manual operated crank
Curtains and insect screens (mono mechanism.
x mono is nylon fibre, inter locked, ii) 40 mesh (115 to 120gsm) nylon /shade insect
woven mesh, more life) proof nets (UV stabilized), of 4.5 mts height above all
four sides upto gutter height (crop specific).
iii) 50% Mono x Mono shade net of 125 GSM, should
be fixed at side ventilators below the curtains. Rollup
side GI pipes with uniform thickness throughout the
side length of GH are suggested to ensure smooth
functioning of the curtain.
UV stabilized mono x mono 50 % (115 to 120gsm)
shading net has to be provided horizontally at gutter
Shadenet height, below the UV sheet – inside the greenhouse
with manually operated mechanism for expanding
and retracting. The area covered by shade net
should be equal to the net cultivable area of green
house without sagging.
UV stabilized HDPE woven fabric, not less than 200
GSM thick for a height of 60cm and 40 cm buried
Side apron below ground vertically and 20cm horizontally.
(HDPE woven fabric of 200 GSM will have more
stability and with stand the pressure of upward as
well as horizontal wind better than the polythene
film)
Erection of Trellies For cultivation of Capsicum, Tomato and Cucumber,
GI wire of 80 GSM of 4 mm (8 guage) along the
gable & 2.5 mm (12 guage) along the gutter with 16
lines per gable to be fixed over the beds in
horizontal/ vertical direction.
Provision of PVC pipe of min 5” diameter with the
Rain water harvesting lateral and ground support pipe with bend should be
made, from gutter to ground for collecting rain water
from the roof top. Drainage gutter and end caps to
be provided.
* Hard surface path of 1 mt. wide is to be provided to facilitate the movement in the
poly house

3
 B. After sales services (the firm have to provide)

Warranty Warranty for 5 years from the date of installation for

structure excluding poly film and net and for poly film
3 years warranty for all material and installation
defects on pro-rata basis

Training Free training for operation and maintenance for one

year.

Testing of both structural and plastic materials used

in the green house should be tested by the NTH &
Testing CIPET or any other agencies for quality assurance
(not older than 6 months report.

C. MI Component

Indicative Quantity of Material of Drip/Fogging System in Polyhouse/ Net

House (as per the crop requirements)
** Products with BIS standards only are accepted.

Sl.No Description of Items Unit

A Drip System
1 Main and Sub-main Line PVC 63 mm x 4 kg/cm2 Meter
2 Main Line PVC 75 mm x 4 kg/cm2 Meter
3 16mm LLDPE Lateral line CL-2 Meter
4 Inline 16mm PCND, 1.3 to 2.4LPH @ 20-40 cm CL2 Meter
5 Ball Valve 63 mm (Moulded Seal, Plain) Nos.
6 Ball Valve 75 mm (Moulded Seal, Plain) Nos.
7 Sub-main Flush Valve 40mm Nos.
8 Sub-main Line for Flushing 40 mm X 6 kg Meter
B Fogging Machine
1 Main and Sub-main Line PVC 50 mm x 6 kg/cm2 Meter
2 Main and Sub-main Line PVC 63 mm x 6 kg/cm2 Meter
3 16mm LLDPE Lateral line Meter
4 4 way Fogger Assembly with HP LPD Nos.
5 Ball Valve 50mm (Teflon Seal, Plain) Nos.
6 Ball Valve 63mm (Teflon Seal, Plain) Nos.
7 Sub-main Flush Valve 40mm Nos.
8 GI Wire 2mm thick Meter

4
 9 Sub-main Line for Flushing 40 mm X 6 kg Meter
C Filtration Unit Nos.
1 Disc filter 25 m3/hr Nos.
2 Disc filter 40 m3/hr Nos.
3 Sand filter 10 m3/hr Nos.
4 Sand filter 25m3/hr Nos.
5 Sand filter 40 m3/hr Nos.
6 Manifold GI + GMV Nos.
7 Ventury Assembly Complete Nos.
8 Air Release Valve Assembly 1" Nos.

Note:
1. For any additional/optional item that is fitted/provided in structure by firm with the
consent of farmer that shall not be part of cost norms*.
2. The list above under MI component is tentative. However, the actual
material to be used at site may vary as per structural design
requirement and this will be binding to the firm.
** The above specifications are indicative only and Commissioner of
Horticulture, Government of Telangana may add or delete or modify any term
& condition as per requirement and in public interest and as recommended by
the committees constituted by Govt. of Telangana.
D. Payment terms:
The mode of payment to farmers and empanelled companies shall be in
following 3 stages
I stage – 35% payment after foundation and delivery of material (includes 25%
farmer share+10% subsidy amount)
II stage – 50% payment after installation and inspection of Greenhouse
III stage – 15% payment after 3rd party verification

5
 E. Penalties:- Penalty will be imposed for the below mentioned reasons other
than departmental failures at following rates.

Time of completion for installation of polyhouses

a. Polyhouses of area upto 1.00 acre – 60 days from the date of TPA
b. Polyhouses of area 1.00-3.00 acre – 90 days from the date of TPA
S.No Item Penalty in Rs.
1. Delay in erection of Poly Upto 2% of project cost at the time of final payment
house made to the farmer
2. Erection of Poly House The structure should be re-laid by the concerned
Structure with faulty contractor / firm on their own cost within a period of
design 30 days from the date of complaint received from the
farmer/department. A penalty of Rs.70/- per square
meter shall be paid to the farmer by the concerned
contractor /firm. If the firm does not respond then the
penalty shall be recovered from the firm and
necessary action shall be initiated against the firm.
3. Supply of Sub-standard The material shall be replaced as per the technical
Material specifications by the concerned contractor / firm on
their own cost within a period of 30 days from the
date of complaint received from the
farmer/department. A penalty of Rs.140/- per
square meter shall be paid to the farmer by the
concerned contractor /firm. If the firm does not
respond than the penalty shall be recovered from the
firm and necessary action shall be initiated against
the firm.
4. Deficiency in After Sales The firm/ contractor shall attend to the complaint
Service within 15 days from the date of complaint received
from the farmer/ department. A penalty of Rs.5000/-
shall be paid to the farmer by the contractor /firm. If
the firm does not respond than the penalty shall be
recovered and necessary action shall be initiated
against the firm.
5 Agronomic/ agril. Firm shall provide agronomic/ agriculture engineering
Engineering support support invariably to farmer for a period of 3 years

6
 Net Houses

A.Technical specifications for Flat Roof Net House with Cable Purlin

** Products with BIS standards only are accepted.

S.No Particulars Description
1 Area in Sq.m 2025 & 3965
2 Length of the structure As per design
3 Width of the structure As per design
4 Grid 8m x 5m
5 Straight corridors 2.5 m on all sides for area calculation

S.N Item Indicative Specifications

o.
Grid Size 8x5m
1.
(Spacing)
2. Centre Height 4.0 m in case of flat structure.
1. All outer columns 90 mm OD/SHS 60x60, 2.5 mm thick, height of
3. Main Column pole 4 m
2. Inner column 60 mm OD/ SHS 50x50, 2mm thick, height of pole 4 m.
Width 2.5 m, Supported with RHS 40x20, 2 mm. Provisions for fixing
4. Balcony
the Insect Net all around structure shall be made on these members.
Structure c a b l e 5mm or 6 mm dia (with 1/19 or 7/19 construction) main cables across
5.
wires and along all the gables on top of the structure.
6. Clamps Clamps- triple wire connector, 6mm thick wire cable clamp.
All nuts & bolts should be hot dip galvanized and as per the
7. Nut Bolts
requirement
8. Accessories as per the requirement
40 Mesh (120 GSM) (white colour) UV stabilized Insect proof net on
all sides made from virgin raw materials upto a vertical height of 3m
Insect Proof (Slant Height of 3.6 m above Ground level)
9.
Net Roll up rod with worm gear on two opposite sides (East and West
sides of the structure) within the top 1.2 m for opening and closing of
shade net.
35% shade factor – monofilament net on top (approx. shade % is
Monofilament 35%) 120 GSM/ white/black/green-black color/5.2m.
10. Shade net
35% shade net - monofilament on upper portions of sides top 1 m
vertical height, (Slant length 1.2m), 90 gsm, white colour
Second 35% shade, Tape type white Coloured with 90 GSM, within 50 cm below
11.
layer of Net top layer
For manual spreading and removing of second layer of shade net
12. Retraction unit made of pulleys and PP rope of 8 mm UV stabilized (at 4 parts for 0.5
acre).
13. Trellis 4 mm thick (7/19 or 1/19) double layer in a zig-zag fashion main

7
S.N Item Indicative Specifications
o.
system cable at both gable ends/sides 5 mm thick base cable internally and
2.5 mm thick, GI Wire above the beds (two strands per bed). All
poles are connected from top with 5 mm cable and 4 mm spotting
wire is connected with all poles. Trellising system has to be
connected to balcony foundation.
Entrance - G.I. frame with 40 mesh insect net, 2.50 m x 2.00 m (Anti
room of size 4m (L) x 2.5m (W) x 2.0m (H) with two no. of doors (1.2 m
Entrance &
14. x 2.0 m size) opening diagonally covered with insect net (with 75 mm
Anti room
PCC flooring). (Door is independent of main structure). One side slope
of 1m for the roof covered with polyfilm. Provision of all drop lock.
It is a separate structured frame entry with a minimum entry width of
2.7m and minimum height of 2.7m with stainless steel hinges. Framed
15. Tractor entry
flaps fixed with all drop locked entry. Door frames with required sizes
shall be made openable horizontally/vertically.
Human entry room with 75 mm PCC flooring with dimensions of 4m x
16. Flooring
3m
Civil Works
Outer anchor(lip-C profile): 1.80 m depth, 40 cm diameter, PCC of CC
ratio (1:2:4)
1. Foundation
Outer column foundation: 45(L) x 45 (W) x 30 (D) cm, PCC bed with
CC ratio (1:2:4)
2. Balcony/ Hockey 3 mm lip-C profile, hot dip galvanized, 1.2 m length.
foundation
Micro Irrigation system
Micro Irrigation Same as polyhouses
1
system
** The above specifications are indicative only and Commissioner of
Horticulture, Government of Telangana may add or delete or modify any term
& condition as per requirement and in public interest and as recommended by
the committees constituted by Govt. of Telangana.
Note:
1. All the GI material should be of 360 GSM including nuts and bolts.
2. All the GI cables and ropes with a minimum of 70 GSM
3. Farmer has a choice to go for second layer of Net with 40% indoor
quality thermal screen. Additional Cost for this shall be borne by the
farmer @ Rs.90/- per sq.m of thermal screen With automated
retraction unit @ Rs.1.00 lakh per unit.
4. For any additional/optional item that is fitted/provided in structure by
firm with the consent of farmer that shall not be part of cost norms*.
5. The list above under MI component is tentative. However, the actual
material to be used at site may vary as per structural design
requirement and this will be binding to the firm.

8
c. After sales services (the firm have to provide)

Warranty 3 years warranty from the date of installation for structure

including net
Training Free training for operation and maintenance for one year.
Testing All plastic materials used in the net house should be tested by the
CIPET for quality assurance (not older than 6 months report)
The firm has to provide the after sales service on the following items on free of
cost.
1. Any type of technical defect.
2. Leakage in MI system.
3. Tightening of nut, bolts/fasteners.
4. Rusted fasteners/nut-bolts/steel parts

D. Penalties:- Penalty will be imposed for the below mentioned reasons other
than departmental failures at following rates.

S.No Item Penalty in Rs.

1. a. Delay in erection of
Net House
b. Erection of Structure 2% of project cost at the time of final payment made
with faulty design to the farmer
c. Supply of Sub-
standard Material

E. Payment terms:
The mode of payment to empanelled companies shall be in following 2 stages
I Stage - 50% release on the total cost (including non-subsidy collected from
farmer) after completion of foundation & delivery of material at site and
inspection by JIT.

II Stages - 50% release after JIT inspection along with the T h i r d party and
after receiving JIT Report & 3rd party verification report and successful
completion certificate from the farmer

9
 F. Subsidy norms of the State Government

Sl.No Slabs (Sq. Unit cost Subsidy per Subsidy per

Mt) per Sq. Mt. Sq. Mt. (75%) Sq. Mt. (95%)
(Rs) (Rs.) (Rs.)
1 Upto 2025 538 403.50 511.10
2 2025-3965 488 366.00 463.60

All the terms and conditions along with the price schedules and approved
structural designs as above form part of this agreement will be implemented
as per the instructions of Commissioner of Horticulture, Hyderabad issued
from time to time.

10
 Implementation Guidelines

Non- Negotiablesf for Implementation of the Programme:

All farmers are eligible for the programme.

Ratio under SCP & TSP shall be followed as per State norms.

Owner ship of the land should be with the applicant for availing the
subsidy.

Quantified irrigation source and electrification are mandatory.
3rd

party verification before payment of final release is a mandatory.

NABCONS is the appointed agency for 3rd party verification.

Application received f i r s t will be given seniority.

ELIGIBILITY CRITERIA FOR APPLICANT:

Minors are not eligible.

Farmer means a person having land ownership in one’s name. For this
he has to submit Land Records.

Original Title deed and Pattadar Pass Book Land verification report by
MRO. All the documents submitted shall be latest not more than three
months old. (attested copies)

Farmer includes farmer’s family, means husband, wife and their minor
children. Inspecting authority shall confirm the family duly after verification

New Farmers have to be given priority for issuing administrative sanction.

Government employees and their dependent families are not eligible to avail
the scheme

Training:

Selected beneficiaries shall undergo training of minimum three days i.e.

training-cum-workshop on Construction and Maintenance of Poly houses/
shadenet houses, Cultivation of high value crops.

A certificate to this effect shall be issued by HTIs. Training certificate is
mandatory before release of assistance.

11
Basic Requirements for Execution of Precision Farming Components:-

Approach road connectivity is a must.

Soil suitability for erection and construction of structure and as well as
drainage.

Wind breaks in the farmers site is must.

The site selected for execution of project should be free from shade.

The site should be at a higher level than the surrounding land with
adequate drainage facility.

pH of the irrigation water should be in the range of 5.5 to 7.0 and EC less
than 1 milli mhos/cm,

Soil used for propagating material / media should be in the range of 5.5 to
6.5 pH and EC less than 1 milli mhos/cm.

In case of high EC farmers has to take necessary measures to
maintain the EC as per the crop requirement. If EC & PH are not within
the limits Poly house cultivation is not possible.

The structure should withstand to the minimum wind velocity of 80.6
miles per/hr or 120 km / hour or 36 Meter per second for polyhouse
component.

Soil and water analysis reports from reputed labs are also to be
enclosed to the proposal.(mandatory)

Farmer/Firm is responsible for the execution of any component under the
projects.

A display board depicting “Department of Horticulture, Government of
Telangana” shall be displayed at the site with name, survey no., Village,
Mandal, sanction proceedings number, date, poly house extent (area),
name of the firm and address, year of construction of Poly house.

Subsidy will be released through online transfer to the farmer/ empanelled
firm/Bank after joint inspection by the committee members.

3rd party verification will be done independently along with JIT for 50%
release.

12