View
1
Download
0
Category
Preview:
Citation preview
South Western Railway (Construction)
Annexure -I
LOA No. W496/RMMS/141 Date : 24/02/2016 of UCC Code :74093
Print Date : 24/02/2016
Name of Work :
Ramanagaram ‐ Mysore Doubling ‐ Construction of platform shelters (IRS type) at Nayandahalli andRamanagaram stations.
Name of the Contractor : T0121 ‐ TERESA ENTERPRISES
ABSTRACT
Sl. No.
Departmental Value asper Tender
Contractor % ScheduleTotal
Schedule
Description
1
A
Items of works covered by USSOR 2011 2,49,854.73 +4% 2,59,848.92
2
C
Items of works pertains to Supply of Cement
2,61,290.40 Indv. Rate 2,61,290.40
3
D
Items of works pertains to Concrete works
2,00,850.00 Indv. Rate 2,00,850.00
4
J
Items of miscellaneous works 27,76,500.00 Indv. Rate 27,76,500.00
Total Value : 34,98,489.32
Discount 0 % 0.00
34,98,489.32
Net Value :
( Rupees Thirty Four Lakh Ninety Eight Thousand Four Hundred and Eighty Nine ONLY)
1
SOUTH WESTERN RAILWAY (CONSTRUCTION)
Annexure - II
Schedule of Items LOA No. W496/RMMS/141 Date 24/02/2016 of UCC 74093
Tender Ref No :-
RMMS/141
Notice Date :-
Original LOA Schedule
16/12/2015
Project : 15534 ‐ RAMANAGARAM‐MYS (91.50 KM ) WITH
Dept : ENGINEERING
Name of the Work :Ramanagaram ‐ Mysore Doubling ‐ Construction of platform shelters (IRS type) at Nayandahalli and Ramanagaramstations.
Name of the Contractor : T0121 ‐ TERESA ENTERPRISES
DETAILS OF ITEMS
Jurisdiction : USSOR 2011 ITEMS
Schedule 'A'
Rate
Amount
Sl. No.
Description of Items Quantity
Unit
USSOR/ Sys.code
1
011011
Earth work in excavation as per approved drawings and dumping at embankment site or spoil heap, within railway land, including 50m lead and 1.5m lift, the lead to be measured from the centre of gravity of excavation to centre of gravity of spoil heap: the lift to be measured from natural ground level and paid for in layers of 1.5m each, including incidental work, as per specifications‐in : All kinds of soils
105.00
109.06
1 CUM 11,451.30
( Rupees One Hundred and Nine And Paise Six )
NOTE: SCHEDULEA SPECIAL RATE on lower side
Contractor's % : 0 Discount : 0
2
012040
Filling, watering and ramming earth in 15 cm layers in floors and foundations with surplus earth from foundations including 50m lead and 1.5m lift
23.00
24.30
1 CUM 558.90
( Rupees Twenty Four And Paise Thirty )
Contractor's % : 0 Discount : 0
3
031012
Providing and laying in position cement concrete of specified proportion excluding cost of cement, centering and shuttering ‐ All works upto Plinth level : : 1:3:6 (1 cement : 3 sand : 6 graded stone aggregate 40mm nominal size)
12.00
1,869.47
1 CUM 22,433.64
( Rupees One Thousand Eight Hundred and Sixty Nine And Paise Forty Seven )
Contractor's % : 0 Discount : 0
4
043015
Providing, hoisting and fixing in position upto floor two level M20 Grade precast RCC work including setting in cement mortar 1:3 (1 cement : 3 coarse sand) and finishing smooth with 6mm thick cement plaster 1:3 (1 cement : 3 fine sand) on exposed surfaces complete including cost of centering, shuttering, finishing, Admixtures in recommended proportion (as per IS:9103) to accelerate, retard setting of concrete, improve workability without impairing strength and durability, excluding cost of cement
2.00
3,030.35
1 CUM 6,060.70
( Rupees Three Thousand Thirty And Paise Thirty Five )
Contractor's % : 0 Discount : 0
2
Schedule of Items LOA No. W496/RMMS/141 Date 24/02/2016 of UCC 74093
Tender Ref No :-
RMMS/141
Notice Date :-
Original LOA Schedule
16/12/2015
Project : 15534 ‐ RAMANAGARAM‐MYS (91.50 KM ) WITH
Dept : ENGINEERING
Name of the Contractor : T0121 ‐ TERESA ENTERPRISES
DETAILS OF ITEMS
Jurisdiction : USSOR 2011 ITEMS
Schedule 'A'
Rate
Amount
Sl. No.
Description of Items Quantity
Unit
USSOR/ Sys.code
and steel reinforcement, as per approved plan & direction of Engineer incharge. : In slabs for drain covers, manhole covers, flue tops etc.
5
051032
Brick work with machine moulded perforated bricks of class designation 12.5 conforming to IS: 2222 ‐1991 in superstructure from beyond plinth level upto 6m above plinth level in cement mortar 1:6 (1 cement : 6 coarse sand) : With Modular bricks
12.00
3,115.97
1 CUM 37,391.64
( Rupees Three Thousand One Hundred and Fifteen And Paise Ninety Seven )
Contractor's % : 0 Discount : 0
6
111012
12 mm cement plaster of mix ‐ : 1:6 (1cement: 6fine sand)
65.00
75.31
1 SQM 4,895.15
( Rupees Seventy Five And Paise Thirty One )
Contractor's % : 0 Discount : 0
7
181021
Demolishing plain cement concrete including disposal of material within 50m lead : 1:2:4 or richer mix with max. 20 mm coarse aggregate
15.00
555.62
1 CUM 8,334.30
( Rupees Five Hundred and Fifty Five And Paise Sixty Two )
Contractor's % : 0 Discount : 0
8
181040
Extra over Item Nos. 181021 and 181050 if pavement breaker is used on orders of Engineer
15.00
243.17
1 CUM 3,647.55
( Rupees Two Hundred and Forty Three And Paise Seventeen )
Contractor's % : 0 Discount : 0
9
099041
Providing and fixing 18mm thick mirror polished, machine cut for kitchen platforms, vanity counters facias, dados and skirtings and similar locations of required size of approved shade, colour and texture laid over 20mm thick base cement mortar 1:4 (1cement: 4coarse sand) with joints treated with white cement, mixed with matching pigment, epoxy touchups, including rubbing, curing. etc .complete at all levels : Granite Pink/Grey. Area of slab upto 0.10 Sqm
65.00
2,385.87
1 SQM 1,55,081.55
( Rupees Two Thousand Three Hundred and Eighty Five And Paise Eighty Seven )
NOTE: SCHEDULEA : SPECIAL RATE on lower side
Contractor's % : 0 Discount : 0
3
Schedule of Items LOA No. W496/RMMS/141 Date 24/02/2016 of UCC 74093
Tender Ref No :-
RMMS/141
Notice Date :-
Original LOA Schedule
16/12/2015
Project : 15534 ‐ RAMANAGARAM‐MYS (91.50 KM ) WITH
Dept : ENGINEERING
Name of the Contractor : T0121 ‐ TERESA ENTERPRISES
DETAILS OF ITEMS
Jurisdiction : USSOR 2011 ITEMS
Schedule 'A'
Rate
Amount
Sl. No.
Description of Items Quantity
Unit
USSOR/ Sys.code
2,49,854.73
(No. of Items 9 ONLY)
Schedule A Departmental Value :
9,994.19
ABOVE 4 %
2,59,848.92
Schedule A Total :
Rupees in Words ( Rupees Two Lakh Fifty Nine Thousand Eight Hundred and Forty Eight And Paise Ninety One ONLY )
Chief Administrative Officer South Western Railway 18, Millers Road BANGLORE ‐ 560 046
Signature of Agency Date :
Agency Adress: FURNITURES & INTERIORSNO.62, SULTAN GUNTA ROAD, NEAR MADINA MASJID, 1ST CROSS BENGALURU
4
SOUTH WESTERN RAILWAY (CONSTRUCTION)
Annexure - II
Schedule of Items LOA No. W496/RMMS/141 Date 24/02/2016 of UCC 74093
Tender Ref No :-
RMMS/141
Notice Date :-
Original LOA Schedule
16/12/2015
Project : 15534 ‐ RAMANAGARAM‐MYS (91.50 KM ) WITH
Dept : ENGINEERING
Name of the Work :Ramanagaram ‐ Mysore Doubling ‐ Construction of platform shelters (IRS type) at Nayandahalli and Ramanagaramstations.
Name of the Contractor : T0121 ‐ TERESA ENTERPRISES
DETAILS OF ITEMS
Jurisdiction : VETTED ITEMS
Schedule 'C'
Rate
Amount
Sl. No.
Description of Items Quantity
Unit
USSOR/ Sys.code
1
CE1‐01A
Supply of Ordinary Portland cement of 43 / 53 grade conforming to IS 8112 / IS 12269 (upto date)and/or Portland Pozzolana Cement conforming to IS/1489 (upto date), at site of work to the extent of the quantities required for various items of works in schedule items including all cost of loading, unloading,leading, transporting, stacking, storing including making proper storage arrangements and all consumables, machinery, vehicles, labour etc., complete and as directed by the Engineer‐in‐charge. (a) Ordinary Portland Cement (43/53 Grade) NOTE :1) Use of Portland Pozzolona cement shall be restricted strictly to the permitted construction items only. Pozzolana cement shall not be used in PSC construction. 2) Admixtures such as super plasticizers will be permitted based on specific designs for permitted construction items with the approval of the DY.Chief Engineer‐in‐charge. However, admixtures proposed shall be supplied free of cost by the Contractor and no compensation will be payable. 3. 33 Grade cement shall not be used in railway construction works.
40.00
6,342.00
1 T 2,61,290.40
( Rupees Six Thousand Three Hundred and Forty Two )
Contractor's % : 3 Discount : 0
5
Schedule of Items LOA No. W496/RMMS/141 Date 24/02/2016 of UCC 74093
Tender Ref No :-
RMMS/141
Notice Date :-
Original LOA Schedule
16/12/2015
Project : 15534 ‐ RAMANAGARAM‐MYS (91.50 KM ) WITH
Dept : ENGINEERING
Name of the Contractor : T0121 ‐ TERESA ENTERPRISES
DETAILS OF ITEMS
Jurisdiction : VETTED ITEMS
Schedule 'C'
Rate
Amount
Sl. No.
Description of Items Quantity
Unit
USSOR/ Sys.code
2,61,290.40
(No. of Items 1 ONLY)
Schedule C Departmental Value :
0.00
2,61,290.40
Schedule C Total :
Rupees in Words ( Rupees Two Lakh Sixty One Thousand Two Hundred and Ninety And Paise Forty ONLY )
Chief Administrative Officer South Western Railway 18, Millers Road BANGLORE ‐ 560 046
Signature of Agency Date :
Agency Adress: FURNITURES & INTERIORSNO.62, SULTAN GUNTA ROAD, NEAR MADINA MASJID, 1ST CROSS BENGALURU
6
SOUTH WESTERN RAILWAY (CONSTRUCTION)
Annexure - II
Schedule of Items LOA No. W496/RMMS/141 Date 24/02/2016 of UCC 74093
Tender Ref No :-
RMMS/141
Notice Date :-
Original LOA Schedule
16/12/2015
Project : 15534 ‐ RAMANAGARAM‐MYS (91.50 KM ) WITH
Dept : ENGINEERING
Name of the Work :Ramanagaram ‐ Mysore Doubling ‐ Construction of platform shelters (IRS type) at Nayandahalli and Ramanagaramstations.
Name of the Contractor : T0121 ‐ TERESA ENTERPRISES
DETAILS OF ITEMS
Jurisdiction : VETTED ITEMS
Schedule 'D'
Rate
Amount
Sl. No.
Description of Items Quantity
Unit
USSOR/ Sys.code
1
BRPC2
Plain Cement Concrete (M15 to M30 design mix) Cast‐in‐situ work (cement will be paid separately) with Contractors all materials including 20mm/12.5mm graded hard crushed stone aggregate, sand, admixture, water, etc., of approved quality in bed blocks, wearing coat, coping, ballast walls etc. of bridges and other structures as required, including fixing and removal of contractors shutter/form work/ supports, vibrating/compacting, providing weep holes with contractors AC pipes 75 to 100mm dia wherever necessary, providing normal/approved expansion joints with necessary materials as per design/drawings, curing of concrete, pumping/ bailing out of water wherever necessary with Contractors own pump, power, fuel etc;, finishing the surfaces wherever required, etc., complete, with all lead, lift, transport, consumables, labour, tools and plant, materials, etc., as per approved drawings/specification / conditions and as directed by the Engineer‐in‐charge. NOTES: (1) Single rate will apply for all mixes (M15,M20,M25 and M30) irrespective of proportion of materials used (per cubic metre (cum) of concrete)(2) All concrete shall be weigh batched, machine mixed, compacted with mechanical vibrators and should conform to IRS Concrete Bridge Code and relevant IS Codes/Specifications and other relevant specifications as prescribed. Weigh batching is mandatory for all PCC, RCC and PSC
75.00
2,600.00
1 CUM 2,00,850.00
( Rupees Two Thousand Six Hundred )
Contractor's % : 3 Discount : 0
7
Schedule of Items LOA No. W496/RMMS/141 Date 24/02/2016 of UCC 74093
Tender Ref No :-
RMMS/141
Notice Date :-
Original LOA Schedule
16/12/2015
Project : 15534 ‐ RAMANAGARAM‐MYS (91.50 KM ) WITH
Dept : ENGINEERING
Name of the Contractor : T0121 ‐ TERESA ENTERPRISES
DETAILS OF ITEMS
Jurisdiction : VETTED ITEMS
Schedule 'D'
Rate
Amount
Sl. No.
Description of Items Quantity
Unit
USSOR/ Sys.code
works. (3) Rates shall include all materials, operations, etc., complete except for Cement, which will be paid for separately. Steels including fabrication, if used, and excavations for foundations will be paid under relevant SSR or other schedules separately. (4) Shuttering and supporting form work shall be of good quality materials only. For PSC/RCC girders/slabs/beams/columns, only rigid plate steel shutters shall be used. (5) Mix design with requirement of all tests shall be arranged by the Contractor at his cost.(6) Admixtures as required/ as per designs shall be arranged by the Contractor at his cost.(7) All material and concrete tests as required shall be arranged by the contractor at his cost.(8) Rate includes placing of concrete in position for all heights by manual/concrete pump/crane etc.,
2,00,850.00
(No. of Items 1 ONLY)
Schedule D Departmental Value :
0.00
2,00,850.00
Schedule D Total :
Rupees in Words ( Rupees Two Lakh Eight Hundred and Fifty And Paise Twenty ONLY )
Chief Administrative Officer South Western Railway 18, Millers Road BANGLORE ‐ 560 046
Signature of Agency Date :
Agency Adress: FURNITURES & INTERIORSNO.62, SULTAN GUNTA ROAD, NEAR MADINA MASJID, 1ST CROSS BENGALURU
8
SOUTH WESTERN RAILWAY (CONSTRUCTION)
Annexure - II
Schedule of Items LOA No. W496/RMMS/141 Date 24/02/2016 of UCC 74093
Tender Ref No :-
RMMS/141
Notice Date :-
Original LOA Schedule
16/12/2015
Project : 15534 ‐ RAMANAGARAM‐MYS (91.50 KM ) WITH
Dept : ENGINEERING
Name of the Work :Ramanagaram ‐ Mysore Doubling ‐ Construction of platform shelters (IRS type) at Nayandahalli and Ramanagaramstations.
Name of the Contractor : T0121 ‐ TERESA ENTERPRISES
DETAILS OF ITEMS
Jurisdiction : NON VETTED ITEMS
Schedule 'J'
Rate
Amount
Sl. No.
Description of Items Quantity
Unit
USSOR/ Sys.code
1
219122
Fabrication, suplying and keeping in position of holding down bolts for fixing platform shelter stanchions with contractors 40mm dia. MS rod of 2.50m long, duly threading for 150mm long at topside and providing hexagonal nuts with washers and also providing common washer of size 150 X 8 X 600mm at the bottom as required and using MS templates, MS tubes etc.,as required at site for keeping in proper position and grounting around Holding down bolts with cement mortor 1:3 mixed with CI borings as per approved drawings with contractors materials,cement, labour, tools & plants with all lead, lift etc., complete as directed by the Engineer in‐charge.
60.00
2,000.00
1 NOS 1,20,000.00
( Rupees Two Thousand )
Contractor's % : 0 Discount : 0
2
219123
Supply, fabricating and fixing in position of Anchor brackets for each column of foot over bridge, platform shelter at bottom of foundation with H.D. bolts, made of M.S. Angles as per Drg. No.CN/BNC/ST/124‐92 or similar
300.00
85.00
1 KG 25,500.00
( Rupees Eighty Five )
Contractor's % : 0 Discount : 0
3
219124
Supplying, providing 150mm dia UPVC rainwater down take pipe 6 Kg/sqm pressure pipe with all accessories like bends, collars etc., as required including providing suitable MS clamps with Bolts &Nuts 3 Nos per stanchion with contractors materials like clamps, Bolts & nuts etc,. Labours, tools &; plants, with all lead, lifts complete as directed by the Engineer‐in‐charge.
120.00
450.00
1 M 54,000.00
( Rupees Four Hundred and Fifty )
Contractor's % : 0 Discount : 0
9
Schedule of Items LOA No. W496/RMMS/141 Date 24/02/2016 of UCC 74093
Tender Ref No :-
RMMS/141
Notice Date :-
Original LOA Schedule
16/12/2015
Project : 15534 ‐ RAMANAGARAM‐MYS (91.50 KM ) WITH
Dept : ENGINEERING
Name of the Contractor : T0121 ‐ TERESA ENTERPRISES
DETAILS OF ITEMS
Jurisdiction : NON VETTED ITEMS
Schedule 'J'
Rate
Amount
Sl. No.
Description of Items Quantity
Unit
USSOR/ Sys.code
4
219125
Construction of Floor chamber of internal size 450 X 450 X 1050mm as per approved drawing with stock bricks masonry walls alround of 110mm thick in CM 1:4, plastering 12mm thick in CM 1:5 on both insides and outside, top covering with RCC precast slab 75mm thick with 1:2:4 mix and a floating coat of neat cement and making channel inside the chamber with all contractors materials, labour, lead, lift etc., complete ( inclusive of cement & steel required for the work) and as directed by the Enginner in‐charge.
10.00
2,750.00
1 NOS 27,500.00
( Rupees Two Thousand Seven Hundred and Fifty )
Contractor's % : 0 Discount : 0
5
065281
Suplying & fixing of pre‐coated trapezoidal galvanised steel roofing sheets, fire resistant of 0.60mm thick including guard film packing with contractors labours, tools & plants, fixing accessories like self drilling screws, washers PVC caps of matching colour with roofing sheets etc., complete, including all lead and lift, handling, transportation etc., as required as per technical specifications and directed by the Engineer in‐charge. Note : 1) The colour scheme for top and bottom of roof sheets will be approved by the Engineer in‐charge at the time of sheeting work. 2) Payment shall be made for laid area only and no extra payment shall be made for over laps.
960.00
700.00
1 SQM 6,72,000.00
( Rupees Seven Hundred )
Contractor's % : 0 Discount : 0
6
208081
Supplying and fabricating and erection of platform shelter/FOB, as per relevant drawing with contractor's steel confirming to IS‐2062‐1985 grade A comprising RSJ's, channels, angles, tubular sections, T‐sections etc in
26.00
65,000.00
1 T 16,90,000.00
( Rupees Sixty Five Thousand )
Contractor's % : 0 Discount : 0
10
Schedule of Items LOA No. W496/RMMS/141 Date 24/02/2016 of UCC 74093
Tender Ref No :-
RMMS/141
Notice Date :-
Original LOA Schedule
16/12/2015
Project : 15534 ‐ RAMANAGARAM‐MYS (91.50 KM ) WITH
Dept : ENGINEERING
Name of the Contractor : T0121 ‐ TERESA ENTERPRISES
DETAILS OF ITEMS
Jurisdiction : NON VETTED ITEMS
Schedule 'J'
Rate
Amount
Sl. No.
Description of Items Quantity
Unit
USSOR/ Sys.code
stanchions, portals, trusses, rafters, triangle, purlins,stairways,gangways,floor beams, etc., of rectangular/curved or any other shape with contractor's drilling,welding,rivetting, bolts,nuts,labour,tools and plant, scaffolding including painting synthetic enamel paint/ red oxide/aluminium paint/zinc cromite oxide primer, etc., complete including all lead and lift as directed by the engineer‐in‐charge. Note: Stage Payment. 1a) 40% of the payment against supply of steel to the site of work aginst bank guarantee. 1b) 20% of the payment after fabrication of steel with 1 coat of red oxide primer. 1c) 30% of the payment after satisfactory completion of erection with another one coat of primer. 1d) 10% of the payment after satisfactory completion of all the works. 2) The total weight for payment will be as per DOD list without adding any percentage for welded/bolted work. Rate coated should be for the unit weight of the finished structure.No extra payment will be made for the bolts,nuts,rivets, weldings,drilling,painting steel work,wastage of materials during fabrication. The welding shall confirm to relevant IS/RDSO standards. 3) The rate coated isapplicable for platform shelter work. In case of gangway erection for FOB over running lines 10% extra rate will be paid. 4)painting comprises surface preperation zinc cromite red oxide primer to IS‐2074 before erection, two coats of primer if zinc cromite yellow primer to IS‐104 after erction followed two coats of aluminium paint cinfirming to IS‐2339 as directed by the Engineer‐in‐charge.
11
Schedule of Items LOA No. W496/RMMS/141 Date 24/02/2016 of UCC 74093
Tender Ref No :-
RMMS/141
Notice Date :-
Original LOA Schedule
16/12/2015
Project : 15534 ‐ RAMANAGARAM‐MYS (91.50 KM ) WITH
Dept : ENGINEERING
Name of the Contractor : T0121 ‐ TERESA ENTERPRISES
DETAILS OF ITEMS
Jurisdiction : NON VETTED ITEMS
Schedule 'J'
Rate
Amount
Sl. No.
Description of Items Quantity
Unit
USSOR/ Sys.code
7
219126
Supply fabrication and erection of Aluminium valley gutter over all 1.00M width including supplying manufacturing and fixing supports complete with contractor's own supply of all materials including cutting, drilling, bending, rivetting, welding with supply of electrodes, rivets, bolts & nuts washers, other machinery, supply & laying of leak proof material at joints such as Valamord or other similar approved material. The Aluminium sheet for gutters will consists of 0.91 mm thick and suipporting brackets made of MS flat supplied by the contractor's of the size 50x6mm spacing at 600mm C/C is to be provided. The rates including labour, materials, tools & equipments etc., The work shall be carried out as directed by the Engineer‐in‐charge. NOTE:‐ The longitudinal joint should be at a place where rain water down pipe takes off.
80.00
1,500.00
1 M 1,20,000.00
( Rupees One Thousand Five Hundred )
Contractor's % : 0 Discount : 0
8
219127
Provision of Rail fencing with rails as per approved drawing duly leading the rails from unloaded spot and carrying out all necessary cutting of rails/drilling of holes with gas and providing bolts and nuts arrangements as indicated in drawing with contractor' supply of bolt and nuts with all ascents, descents,taxes, octroi , cess, fees, duties, with contractor's tools and plants,consumables, labour, crew, machineries with all lead and lift etc., complete as per special conditions/specifications / regulations and as directed by the Engineer‐in‐Charge Note: 1)The scrap cut rail pieces has to be handed over to nominated store depot 2) The rate includes providing lookout men, marking 150mm wide white line with lime.
25.00
2,700.00
1 T 67,500.00
( Rupees Two Thousand Seven Hundred )
Contractor's % : 0 Discount : 0
12
Schedule of Items LOA No. W496/RMMS/141 Date 24/02/2016 of UCC 74093
Tender Ref No :-
RMMS/141
Notice Date :-
Original LOA Schedule
16/12/2015
Project : 15534 ‐ RAMANAGARAM‐MYS (91.50 KM ) WITH
Dept : ENGINEERING
Name of the Contractor : T0121 ‐ TERESA ENTERPRISES
DETAILS OF ITEMS
Jurisdiction : NON VETTED ITEMS
Schedule 'J'
Rate
Amount
Sl. No.
Description of Items Quantity
Unit
USSOR/ Sys.code
27,76,500.00
(No. of Items 8 ONLY)
Schedule J Departmental Value :
0.00
27,76,500.00
Schedule J Total :
Rupees in Words ( Rupees Twenty Seven Lakh Seventy Six Thousand Five Hundred And Paise Twenty Seven ONLY )
Chief Administrative Officer South Western Railway 18, Millers Road BANGLORE ‐ 560 046
Signature of Agency Date :
Agency Adress: FURNITURES & INTERIORSNO.62, SULTAN GUNTA ROAD, NEAR MADINA MASJID, 1ST CROSS BENGALURU
13
Recommended